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§

THE PRECISE IIETEIIMINATION IIE _ '.
ELEVATION OF BENCH MARKS ‘ , '
ON MICHIGAN STATE COLLEGE

CAMPUS AND VICINITY

. IIIIII III III IIIIII III I . , _
— c c Bouwkamp R E DIII .
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CI’HESIS

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”TVA: I 1.. . ., 1 . - J- ”A. 1—";
LJLS Egosis is a ,Iactiéal braalefi Sfilzégzu MI
-H O ‘ ‘ a "" 1' \I'.‘ v- O “x ' >~ '. w -- ‘- --
In to Eurtncr our AdouleuLe o; Tr3018c u/bliug

A. - ~ .‘1 .. A n ma . . 1, ‘ I.
uIr rrlIciwIL SOAch 3- ldIormatlon nag Sega
LIA A , —. n 1, ".1 «1 6+ I- a ..-.L ,1 n , 1-; '3
tgq TC”OT3: 3L tue “hitcu I.&,es Joasu Emu Jeouddic gur—

veg, and in our field observations and compALationa, re

1- u--: I." I- L ,- 1 .L ~~
sale attempguu to coonrm ericU 3 to :e 3,3hons IE0

91101

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N.‘

5 J MI “II."
TAZLE T CORTTfiis
-a;
Introduction 1
Precise Leveling 2
Bench Iarks 3
Tie Instrument o
idjustments of the Coast Survey Level )
Precise Leveling Pod and Turning Point .11
The lethod 12
Work and Results 22
The Level Yet I 25
Description and Location of Bench Marks V 2o
Computations 3
Sample Determination of "3" 33
Sample Page of Field Notes 34
Computation of Mean 7 fferenoes in Tlevation 3
Th Circuits 43
Adjustment by Least Squares 44
“inal Adjustment 4)

Final Elevations 51

I4

..-»‘T\,\q—.I A I
I. ..... VMJC.-1\JI

In past years ”Ia “ ue1,h-Raris have been rlscou
about the campus and farus of Lichigau State College for

the use of 'he en iheerine students age the :iildln” aid
L, x. ,_,

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Grounds :epartment, their elevatious being b se=
Governmeit bench on the jichiraIL Tehtrsl Lepot in Lansing.
However, most of the earlier ones have been lost or Cestro;-
ed, or their reference marks removed in the process of iI-
proviu; the campus. La; Iy of those le :t are hard to locate
Ithe grougd is covered with SHOW, or are iIooIve Iient-
l; placed on builCiALS, haxing their use bv the Buildiqg

and Grouhus Eepartment undul‘ exoensive.

This eventually led to the problem of settixn

veral monihehts iA rssd'ly located shl easily accessible
positions, and tre precise determination of Mleir elevat ioIs.

Cur tart of tr e oroulc use to aid in selectiig the positioIs
of the mohumcnts, to Lezerhine their exact elevation, to

neck the olev tion of all exist a; bench-marks about the
campus, n; to establish new ones OJ bridges and buildings

1

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" ‘ L ,.' l.‘ ‘- u I‘ - ,. + c - —‘ ‘ . -‘ p [N q
thau mignt oe convexiehtlw near the llhe oi ch

R)

'r o T“ " L? I.“ I
T-‘ IJ.LI.J..'. ..'f.4LJ.L-uJ

Precise Leveling is the :e eti: art oi estab-
lishing with great precision the elevation above sea.level
a few noiIts far inland to furnish a control :or all
elevations in that region. it differs fron ordinary level-
ing in that certain refllVHputs are introuuecu into the
methods used and into the ensuri tion of the instruments.
Its relation to ordiIarg lav elinr is that of a general cone
trol of the accuraC" of the work.

The datun blaIe, sea level, is taken an the mean
level of th Rater as found by averaging the records, taken
over a perioc of I'ears, of autuontic tice gauges. Che

7T, “A": L L 'f‘ ‘ P' ‘ j n") ' A)“ ’1 ‘ ‘ i:"‘ ' ‘. "“x z.‘. ;
ullibou _'.Io'3.'u€€ V0151) ant. \JbOdC L113 -urvey, \‘.L.l‘3.1 (IRS MORE}

V 1" t ' 1" . v" - A r- ‘. ‘ '7 -‘ . *' F ‘ '1‘ ,— ‘r‘ L ‘ .' ,-
most 0. tne p ecise levelin; in tne oni.eu ..a.es has cacen

Lexico as the same in order to avoid the con-

.p,. 0 +1 4. . ‘3 - O , . H-.. "'4"! ~ L L. _\ D
LuSion snap moilu result iron using a uiiieren. ease Lor

This organivatiou has covered the United 3tates
End its possessions Wits a network of level lines and has
established bench-marks at frequent in ervals aloII then.

The elevation and descriétion of these LDEZlCh-EH ar11s can be

obtaineu fron the publis hgu reports.

Che value of a line of levels

distribution and permanency of the

the nly visible eviienc: and use

locations where they will be free

The Buildings and Ground

et monuments of‘ a pernqne

(I)

Colle;e

V

\

about the csgpus Whore oencn—marxs
monuments consist of a concrete no
in diameter ‘nd four
feet flaring out to a diemeter of
can three inches in diameter and

1- i . 4. 1 o .' 1 ,. _
tn cs ni.n a live incn sten M33 se

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.L

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138 1101-1483113 .

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.3 .2673

ive-s

t in the

?he loner one and three-nuerters inches

4‘

artnent

from the usual

was split enu the halve? sprees to a distance of

i ‘ . 4» . a... +‘-. . -
ale three-quarters inches, this ensuriig

.. -- a .2
She nost.tnm3 forneu b

Cinensions in undisturbed soil qnu

concrete.

\ ‘a" .7 4‘» I“. ‘ ‘ ' '-. f‘ ‘A y(‘ ,~ s w y . ‘A ‘L'
cars were ised..J1eeion noniment.

3- ,- 1' , — v A — ‘5‘
he wsse o. as post tell bolDT the

region, an” tne flarin; butt suns

For reinforcenent, four

‘1

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ind four
a -1.
-rODu 1

post. €acn monument Wes later stages”

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levation in feet.

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-.A3 iruzuruurgn. Liset. : ..ne .{io.a1 as t

.- ~ u“ ~. 1 0'7 ,‘ . . .. 1 -. ~ , ' 5 . .f
nevel hLiQfl was uesignec b. the :niteu

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careful stuuy in an

wrest orecision cogbine;

... 4.1 ,. .-~ ‘ .0 ~. _ m _: ‘ . 1,-.- e. - n . , -
hiufl eaze Oi operation snu Cursoilit; 0. construction.
nu. ,. ‘ . , ,. 1 1 :, ... ~ Lu - 4. - .,- ,_ . i‘- -.
we nor; was so tell none that for t--irt3 do ._.- ts in—
flL “not: "”3” ' "y.- w‘rnr" Io" D‘.‘ afi‘ fl . ‘."\.'rr‘-fi +o~+ 54:2.
0 Jr’UAJCLL A..L1D re..sal-lvu “-11..3.-LLC.A va\/VL- U .LOI '«Llillil\ ‘Dr' _. old Kl'v-
‘- . r-I ~ . 1‘ ' ‘- ‘-. ,a- A . ~ .P . — n ‘ ‘ p. s :3 .< - , ,. 1
bQLli, anu uluu it the host raflu, p-ucise inu ecunonicel
_- ,-, w 1‘ —_. . .- I . -‘ ' V ‘ > -\ . 4- 2*,
leveiil.L is uone at tLC nresent tine.
v,-.. 1 A M ,. . T - ' o .7. . J... ,. 5 ..
-ne .oest curve; herel s o. the u.npy DJ“: mien

A A «'1 q —. '1‘, ‘* ’1f\“. _ ¢-. ~ - ~~ r ' a A L - q -..- -. (A.
s tnree SCTCJ es s. _ne ouoole tuoe is buy in an one-9.1.19

stance

,‘ II x ‘\ l-‘- :-‘ J 1- -x ‘\~~ . .‘ fir Ix o - O ‘- . ~1-
etretn L3 3-13 3. the bi...” ‘lu no ii e o- collinetion
;. A , _ , n- . . ., , - ..- - .' ‘ 4, 1 -~ p, .0
.o a liniuun. -n s practicall, ellMlHELES the e:-ect o.

A“ f‘x‘.v~ '\ ~. 7 x 1—, -' I‘v- " 4 ‘ ‘- \ I'V p t ‘ ‘ . _- p v ' r
tempura ure c-qn e o. tue nerallelisn i ens 2x1? 0. the

. . . ~“- .— ,. 1.- ,7 - , .—, D ,— 1.. L W... -. s A - n . ,‘i + ‘ ' V . L
o.uule ';. he 11.; o. si nt. he telescope ~nu i.s laser.-
, , 1-, ' ‘ . ._, . 1‘ - ‘- L 'r .1 4»

cu uibble tuoe are elscét in a tue snaoeo sunbort at one

" ' ." 7r1 . ‘1 '. “ ‘-‘L .- r.
tto pivot serene profiu a uOTiZQAuil 411%

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neterr; ocui i. une 0-}.MZE lcug. .zuicro.nfiiaa scr-u 1J1 tbs

L1-.. - .7 c 21,- - L..1—.. 0., ‘- -« w. . . - L r‘ 1-“- A. ..
Cor..:l' 9:5,. 0 .. A"; Upluk' J ...I‘..i€~.-e -‘ u..-: 3‘ “MOI-L; .‘ OT U.Ld CJ‘J-
h’c‘n" on' n": n.»- ’,'»-p 4*"~~ "on (”C 0”" *L ‘ ° 7-- r."
51.9 Jb‘ 13.~~..-. ".51.... .- IQ‘fluCo uni". 11:34:32.- 3.1"“ an.) 4.:.- I.) ' v-55! - 3.. ul .1.--”

La-.- .- D ~,.,. ,. .
the line o. s1.” exactl

 

RATE 2— C‘oasf5U/‘yey [.eVe/

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C Jr 31km -39 ((1; 1L4. *1} ..U:‘: J .'. QT. t 34. L. 4"“31’.) 7“.“ r'l Q 7 J1 fry - “'4
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frotection -or .ne .ol« 3?“. mounteu in ,.

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. 1 .~ , 1 _‘ .“' ,- ,3 1, . ,_ . ' j,. 1,. ." - a .. :"a J— \‘_ .-. + '61 V,‘ _. j
u.o anal o.u: flhl_..i43.ufi3 no .nu; led t o- t-e -;_e-"ons cnfi

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mirror set aoove .1; .l---e oJ-; in l dualbidn t. fe.l;c.

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v 2 -C C . . ....2' LL 1.’ . l LJ._L DO U AC4 Oucul’V/e o ..1 pay I l "

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T‘Urmlo: ;. .T. I'J ‘; “.523 «311......‘I‘ Ll: puub..b Ur UH"; TX)“ U; More .1
5--i.iti.fi, ..1a a...e:-. =351 .1.3-. 3:“: to one: otn.e: .

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t‘re ~3c owes in q oi.(i, rite: o- is? -i.--a: ll.t on ;
1‘f‘. .' “‘ , Tap 1 «1 - . (1 L '- n» ' — p) «L 3 l - ‘,,_
-_ 310 . 'v a. a I. J 4 - a-«l '. R. l 1'4 . r ‘3- ll 1. / .uL A a 'J

clisn.mg screhs for clc.nin; t2” -oot or-"' in films}. ‘
cent:r of the .~<: 2% an emu-i1-l; 10.5 seniorl tor, Uhi“'
iffow.u t *ooi :ori. for f‘- “,n3~r cost 0? ‘i,h *3 3

- c l c
tool steel. )he surnortin; tube is feateiaQ to ~ ?“Tt iron
.iisc riveted to the urrsr egg 0? this oen.cr rost.

To eliiinate as far 1% r.s»ibl: tlt efject op
te Qmerujnirs rice;u’:s ()1 tin; ec”ngrac°7 of tflas lugfibngyiflt, the

4'1“ " ‘ . fl ', ‘ ,-" .‘xy-t A ‘fl . \ . ‘ A1 ‘ . "
.-: rouici. zin~ are m.uu o- x nic1e_-csst iron al.o.
VIV‘m ' ' ‘.—- ' H -b D ' ’. - J- .“ np ‘ -‘ ‘\ , _ ‘5 .4 V‘, '. ,V - - \ - _~ ,.
whicn his a coe-.icici. o. cleans on 01 .)»3.)~ c,r u: r:

61‘ wf i.“ .t‘.‘ —-, l”, 4- -~1-\r. a. y va’ -_ '- *1 r1 _,,"'/" L .~- r; ~ "in .~ 1" h '3 .
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One

shouli be Jade in the field, end it
313 f the busble tube parallel to the
adjustment is made by the ordinary peg

Joe beinr rsiied or lowered
t,» '3 (.1
required. Th cross-heirs J

have been perJanentl;

c.

In testing the a'justm t

+1
ULL

mean of e t.x13e leair resdi

- D f ' " ‘ 1 ’ "~' ‘VL
ti-f3reaee Jetuesu the oi

. . \r‘" V .‘ 11:“- A 1
Del ; xeht eiaotld oe teree

Two turzli 1ng 9‘3 11135

n. V .1 AA“ ,., - l V.) 1-

1-111QIJU “tang-Jr J rip”..rt qlL’KJ‘. t.le
‘ ,‘ J- .. , fi- m1 '. r
sette31 tseJ ass aoout ten 3

reading OJ e3”; poixt, usiJr
tmaxt— rod" to indicate the ro

A --\‘-
J-LJ

+‘IA
UL;

Then move e instruJ to

frOJ the other turning point

+ lie ro at

p +‘V‘L’3

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consists
liae o

metaoo

at tJe aujustijg
ist never “e ist

readigg is

3 and the rod 1

JL':

tside hair readings,

rJl“ drive

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instrument
d

from 333.

N -.
1'1: 3.1"-

£3 with rosnoot t
a point about he

and read both

633'

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level Whi

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;’1 by t. Jet
‘. ‘3 + ’5 "\
1_J 7&8 :1 9"" Uulv'
l erval as tn;

‘fiA 1‘
t;e tnrgol
‘ 0 L1
L- OJ. brie
Fj'f“+ I .
Tl ..;JJt4o 3.1

w

,5 O In".
fake
rod”

0

 

r-x
I‘V-

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{81".

Correct the distent- rod readings for curvature sad
tion. This gives four readings from which ve have:
I n ‘ A r. a n. 7 .- ‘
gSuJ of near— rod re -din s)-(SJJ of ulSCEJt-FOJ
Q: ___ _-___.__l
f ‘___ I" -. _ :1 o _, .’ -.~ _ *d ‘3‘
\qu oi eistqnt-roo lfltCPvalS)-\SJM of n33r- rod 115:

, 3 cellos tie bubble error or cons
days work. If C is less than .335 the level
agjusted, if betweeJ .JJ; and .31 adjustJent

but if it exce 3d

justmemt must

r‘
U-

tant for

should not

Q
Q.

i no t

16'

C)

\L/

i"
k)

. ,- , - A a ,, .. 1.1 . 'I .- 7.L 3‘
telescope p01n s belOM toe norizthal Ml

. "1 .. -. .,.1 - n h, -. -
Qflu asoJe tnen , is neiativ~.

t

the line of si;ht is rsiSad or
by aJ amount equal to 3 * Jes th

sears o; an; ad

‘5 " ‘3‘- 3‘ ‘v‘~"\ ; A1 1‘ ' - ‘fi "
sloulo tees o3 parill—i filth toe 3

deterinstion of C is mace al
1 corr3otion equal to

’x +- ". - ‘ ‘VA -. I . -~~‘ -'— . ".
-oueefl tue fore SlLFtS aJ tee;

‘- ‘A ‘— : .. 1A ‘ _ 1 —q .‘ - . ,
the correction ems tn ser SlLl

.ls are in excess 1

U)
H.

C?
I '3
(“f-
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L3
(“P
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3
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-inal elevations; if the backsix*+

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HATE .3 - [flsfrumefll‘s

v v- - ~— ry,
A"___T K ' l x'\
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The following instructions are t3zen from Bfiecial
Publication Io. 1&3 of the Coast aid ?eodetic Curve
omittinfi those p3rt3 uh c1 do not 3p1.ly to our tori.

"I'. “. ‘70
3- . 4.- ---1_.3\JJ J. -1

both the forward and b3CFW3rd direction,.
3. The backward measiremelit on each section should be

J3do under different ataosp eric conditions from those

k)
H.

on occur on the forward JecsureJent. It is especially
desi able to Jake the chkwsrd mewsurenent in he after-
noon if the for 3rd JJU"UTJL ent W33 m3 e in the forenoon,
and vice versa. ‘he obserVer is to secure as Juch differ-
ence of conditions between the forward and g3clmsrn
measurenents as is possible without materially dela; in.:

the work for that purpose.

C'f'
(D
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Ct
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4. The soaces be permanent bench marks of a line

0
Ha

18v els should be :roken by tex porer' bench marks into

to
(D

ctions from 1 to 2 kilometers in len;th, except where

I!)

pecial conditions Jake shorter sectiozis advisable.
0. Tie instrument shall be shaded from the direct r3‘

1

the sun, both curing the OD“€FV3t10nS and when moving from
one instrument station to asethor.
1). The therJometers on the rods should be reqd to the

‘

st Segree centiLrnde at tne beginning 3n; end of sick

i)

:12; a r»

.J

..3 LY,‘ .
ection and uflc ten-

1"
CV

are continuous the readings at Lne ocLiinin' of each section
are sufficient exczpt tha‘ on the last section the t3 per-
atures at the end should also be recorded.

ll. it le 3st one each uonth, during the progress of the
levelin;, a test Just be made of the adjustnent of the
tluJoin leiels of the rods. i statement should be inserted
in the record sho in" the ..rn r in vhich the test was Jade,
the error that W3s found, and Whether an adjustment was
made. witn the bubble of the level rod held at the center,
the deviation of the face and the edge of one rod from the
vgrtical must be teriiiei if the eviaiion from the

vertical in either direction enceeds 13 millimeters on a
7-meter length of the rod, the rod level must as adjusted.
14. As far is possible, all the pe r1nent te1ch marhs
snould be in the main line of levels and not on sour or
orancn lines. One of the excebtions to this rule is 1ncre
the line runs several miles of” the railroad to the sari of

a trisn ulation station.

lore ewuxioJic

be atisfactor" Thenever a
estaolish,c b? Jeans of a

only

forts

nade one i-n::.:-:C

In

7'

31 of doing the vor;

spur or branch line,

rd QIR a<§" ard

diffgrent tiJes

— 1:14-48

U

.‘

.., ._ - . V .. ,. .r' _ ._ -_ ‘L L" ., ‘_,.
any Jietaio in reading one or scan 10.3.

1‘ -—‘I ‘y'I'. - ‘7! 1'1 .“v ya '1 A‘,\f . T v I ‘IA‘v vjwf—w-‘r\c—
I _ 1 ‘ . , I ‘ ‘ _ _ , _
-1 4h 4 - l--HA-A- “v-" U— J\J.LJ.'.J.L----- 'v'-a -4-“ V-~

15. Once each d3: 01 ocoervation the error o;

u .33 “1-.3 r... . 1,3 '. +1 a . ,, ‘I . —.,. :3 4.x.
31-0.4-1..JL «.215 ‘4 _' '13 1).;11 -151“ . 1 i]. ‘4 (1L) TC' 12‘... 1.1" CCDL‘LIIS" 3 0.1 0.1

‘\~

(.

I +y_ A _‘_, , ' ' . 1C1 a 7.27 . r‘ )71.
and tn~ o-servations recorded in a cocaratc open

fl

record book as 1ollow

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.. - -,-.J- 4- L . _. n In -7 .-— “ 1—--_ ,.—. , 1-,...
an instrument station are cogoleued, b13333rioc

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to error no er ina

n -,__.- ~. 1 - ,. L Jo
lOFCJl mt Tefloifly 1: part pi t

3
:f'
1—3-
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.‘1 . .‘ , . J .A , J. ‘a A j ,. _.\ ._

3c“ TOh ,33 and have one rod olnc.u aood
.r 3- ~ ‘ “‘4 “ ~ ," '. " o . ' ‘r .‘ '.~ V‘ o . Yvfl “ ~
rOJ tn. iietrchnt, reed tn; IOu, move the
.3. . 1. l L . t ,~ k ‘ ,3 J— 1.‘ _:. n . J. _
to a pOSlUiDH aoou. 13 MZU,Y‘ chin. .xo -ront r

‘ ~. .0 . " fl 1. *1.-./\‘ 1-. r. - ‘a I. _‘ I I ' +‘.
33c 11o1t rod and Jhcn the -3cn.ioo. 1_n, one i

... L 13 ~ L 1-.~ . J 1 e ‘ - 1~ "“"*‘ F1 1_ L ‘" ” . ‘3 1 ' ' j.
n .. .I' , 3 , r 1 f'
-114- J _ u ‘11 r v-.l\_/ 44:3.5.’ ~ ULA\J l \4.._V 0A

:3 11,1 . \ f1 , ., ._ L. . - , 1 ,3 y‘, __ .
oi the re uireo correction to 31, you regain. to

, f .. ,.- , L. ,,.’,_d . L a _ m
p1nui.' {niooenued initer11l, s

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13 31:1“; one second Jetsure. -31; m1-l help to prevent

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gldé gaier Lt; osus1 oowaib13ms s: :o 1u54th .f giQEt,
oha‘zo,er of :roudg, e1evstioa of line of si~ht auo';
groo CL, coo. ‘ne ’333495.MM15 of €11; 1-V‘Zvu Lula to It;111;
3, must 7r::;o;3 t5 :.ovi:ultfl13 ‘eve’ ‘Jial, In)» La -JDVL L ,.:
retiw‘e.
T"T13' Q? SIC???

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1-“ ,. - . ._ =:-,.°.‘..' 4.1-, ..,‘.-. 1.-. ‘4. 0,, _1,
unis maxi um is to ,3 a.ua14:o ou1d inner tue Moss szfor9v1r

tn ‘1‘...) a .. — .gc-w -‘ t L
at U’-’ J“C‘J-l 3: Lor‘vvJ-Lol adj—L'J- I--.“

r ,,_-0' ~ 1 _ ‘ . - .-..‘ - _- '- , §- r‘.- \.~-.—‘ . ‘ *‘ " ‘1“
cormnw3?0;htlx;,gjaczzl. an -fliSb ;L34 :HLCezmi l ;.nu.m:r . 1e

\- Dru -. . 1-. ‘ . 1 ~ A. u - .
oi; wredce is t, .1;.u1 e a: Sail- :NL:LZCA bqlr of :1 man as

any oxpeoditure of ties

‘. U

-e1osoors should not be re‘ocusei b:
to avoid it.

13. j‘niefs of party should keep the length 1" sixwht
firest enouga to asks it necessary to do a noiersbe egount

o? PGPuLHJR} I? an<y£erveo

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sinus 311 sis O;obrf3o10u8
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insure e9~. Jeanliw of fi%e hos it is nocsiole to to”{ Moots

U _; .

r '1 " ' ‘ '.r r 1" 3A ‘ .. .'~ ' ’ ' s + ‘. - ---~ \ r1 -‘ V-r ‘
after month mltn aloosu d0 reroudiu , gt use pfOqurt "1.1

(T)
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,~ -, A 1. 4.1 1 1 2.1 1 ,- - .: 4.1,. z. I.. L‘— . 4.
"low. so tue Obflb JEAA, in is cer.fiio Hose 14 subesp,

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to 162.12?) :1“..th 0L NJ: liflitix; lEIJilt"lJ’::, 1;) inerI‘

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Ligdd VOu-u luau to a JGIJ -aJ-e asolnt o- 1er14mla; sue one

’~ "‘ ?. ' I: » .5“ ‘3 ' (1 I ~"‘ P ‘ ‘ - Y" o ‘A A '
DPO+P¢zS L $11 nofi be Tania. It 1o .eliWV~d E115 t-e Ash-

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lmum sgeei consistent W1Ln tne requirez .

‘A‘Iv‘e "3 h '
14v!) A). [:1 4:"

. ‘- J—‘ L 1
‘ n A n
S'AC'.L LJLJ'Z-U twig

. .-J. o . . '- . - 1-
Summit Oi T.ET.,L.L-.‘11:L:_: 2.11]. U:

,- .. L .‘
{3.4-1on ALL]. 8.; fire-1.1! 1

3 qwount o?

19.x:imuxl brownies consistent ‘.=."it11 toe eo QIAII’Q‘CL

iat little or no rerunlin; 1041; be necessary
knve found that a convelieut rule in fizix; ;“
Slsht i: to :horten the sithe vh51ev r the no
thread inter'als subtended on the rod are foun
fvequently by more than a e;leoted lilit. 7.“

J30

shoal; -1x :h 3 limit from h 3 own e perie m1
relation between 2 provisional litit and the 1
ruqnin; found to be neoessar* while meigy it.

i: chei noon the iiea that t3: additioiel err

1 ‘- vyV—. , ‘ . ‘-L‘ .0 ' V L .
encountered “Leg toe 18m ta 0. Sign. is ixoreq-

1.1 - 0,, 1,. '1 L L». .1 , -" "-H
U38 “11A, tuOSS .ue no the iflCTG?SJu eoéilel 1

1-1 r~v-T\YP-y w“!
.4 ' .
~ L.V.\.\J..l\x.l }

L
C)

should be run until any t o rewoin s in oooosi

,1
1)

ok within the limits of the formula.

23. So all sections 3.5 kilometer of less in

‘1 .- .+.- .r. . ' -‘ («4-—
old Em?_l perocloa-e o- chwullflf lfluiTroq

bi; "7.111 (1.1::
degreg of
33TV1tio-
, Cbflerv ;q
0 13h th of

per 31d lover

6 to ii°3¢r

.. 1.
4.133.11114 O l. ‘12} "

1 ' . .~1 ‘1

.. elnl’Dl”: 4.:1
)‘ ‘1 flqn "'."(1Y
.la; A- A \:«L

'tera {1.1 V“ich

‘
‘

e u rections

-. 1' *ifl‘r A H "‘1 1 iv - L “Y‘> ‘_ lL-Q|. Nfi~ +‘yfl’3
A‘qhoru ‘JL--L.1 t;— . w' n.1, 1-. a ~~l€: ‘JCI - 'Je U " €1an Uo-‘b

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;~ckwnri end for ord lines rill be cons lered a sqtisfsttory
cneck reesrjless of the limits nroviueu b? the iormxle i:

.1 l). 2Fis provision, however, 3;
fluence the cnief of hart? in determining the leneths 0‘
sections.

21. It i thought to be insfivisalle to state defimitely i1

U)

trustiols the allowable lljlt on the rate of Qi-

(f
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Vdr‘3u03 betteel U“: iortcru sou ,qclmar liles, bit tale

.0 rejection shall be made on account of a residual smaller

1)

than o millimeters unless there is some food reason .or
suspectirg an error in this particular measure, agd in such

‘ A ( p , ’ . ‘.-- 'n- -p - 'V 4- A? -\ J- ” —
:ne reason lor r3330thJ Must be lull, Staocu in to:

23. Thenever a nistske, such s

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C 1
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cf
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9
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meszire iftzr its COuD12thH and the necessary correctioi

q

abolied, suoa measure may be r Seine. provided the e are at

(l)

f"

0- ‘ .» ,< . L‘- , ‘ ‘- Qly"/s ‘1‘ »
189.83 t‘~.3 Ot--9Fe133.S-JTOS 3V6? «.8 551.316 3;3b13.1 1%.. OJ ”LPG; ilOt

Subject to any such uncertainty. When it is found, however,

section, such oessure ma; be retainea, see no further
.Ae'lSJTSS are req‘..1ired on acc int oi
uescribizr the nroceéure must be made in the record.
PRO}?AE O“ O?"T?VI"‘

2 . ze program of observations at each lHSCrqudC
station is to be as follors: Set up and level the instra
meat. head the three lines of the diaphrai as sees pro ect—
ed a -inst the face of he So. 1 rod, each reading being

takes to the nearest Millimeter (e ti at ed) and the bu. bl

\\

a?)
B
(‘0

being held continuously in the midfile of he tube, that is,
bot ‘n ezids re1 in: the same. Dues, after the rod has been

1.. .r f7 ,. .1 .- 3:11 ..- .0 ;
oirueu, rest as mioule hire oi one

C;
CD

rrojecte

b
l‘\
*3
O
{I};

Th) foot sraduations on th b.ch of the rod need
L.
not be read on more than one ru.nin; o- a s ctioa.

ryrvn- ‘ "a *7"

T
Id." 1 o:-- x .1- J

[J

-.;+‘L.. ;-;'L
23. Tverg new oermanent benc.h mark must be marks; by a
met9.1 t bl et so fastens d in tie rock, brick or
concrete as to resist extr H101 Chan; e of el eV1t101, or
tation.

2). Traverse stations which are easily accessible and

have been oarked in a pe manent manner should be uscl as

‘\ Al .- ." s . “‘ “ .- .T .“'
“by .19.- 1': Alt) b", 113;; “l 3 ) -LL 0

7 A. A , .\ ~I L . _ 9., , 1 1, fin .. _‘ . 1. A
o). 1 tzcverse statioi reirreoce Mari snoile sot oe use

.' "‘ arr“. " ‘. L 1" "" ‘1’. ' ‘ ,‘V' | ~ ‘I ‘ " P ‘\ 1‘ ' V ..
as a ternaruea. oe.MLi.inri. 43 a rule, thus reirre.x3..usr£
," ~ 2 j '. ~~ \ L- ‘A - A ‘w A a . ~- M r-0 1‘. -
is soqllow aAu uOoS not here tie desires :tscilit,.
v-\~‘$~?r1 'rlnj-vn‘r‘f r\-_1 ~\v‘fi*Y/‘v 'r‘r‘r/H
U ‘4- .L J L L LU-..) U r. :J.{ J§.:X. ~L -2
7 . ‘1 ' - A -' ‘ (V .17 r‘ ‘ ‘1 ,fi "3 ‘ a‘a,‘ L '\ ‘ ‘ ~'
,1. I‘er::.e.:1e:1t Decca wern~ SflOhdu is cesigueteo o, e
- . '1 ‘1. _\ .0 ”AH.“ , M, .1 , 4.‘ 24.1.“ ;. r- ,
capital -e,,or -olloneo b, s nitbcr, one lcoocrg to coll t
- . 1 ' we ‘. u- .W-c“ 1. .~~ ‘
in alpnioetical ores sic toe nice r to cuente es LQCQ
. 1 - 1... . L ," “1,. ' ‘ ' , x + - - ,.., 1.1., a . ‘, 4J—
alpnebet is exoaisteo. ‘21s 19919d3JiOH, tobetoer w to U”

V - I‘A . 1’ , ,- .‘ l' - —\ k -\ f‘ . ‘- 1 , ,- . ’ _ .‘
deer in WAlCJ tee mqrx has cgtadlishbu, must oe stcmcec

upon .3 tablct, prefercbl; before it is set. 32e systeo of
as coring it sec3r1te so! distinct -or «so: state. foe
chief of port; til 3: furoishcc Lith tne desigietion for
to: first bench mark in each Stateim th ch to Lay work. If

two or rare parties are uorkin; in he see otcte, sec

7 "I 1‘ .1 ' ' i V .1 \ D ‘ 1- ‘ -1 "ZN
part3 “ill be 1881 nee certain u seer oi alfliaoecs. _oe

‘ -.-. ‘ w ‘r- 2 c '\ ‘ 0 ‘.-~ :— -‘
letto': I one “ scoolc e oxitter -ron eeci clone et *5

L1 .. .~ - - ;. 4.1 - . ,i . . c 3,... -, or
of". J .43.]: 403;]. uflo‘ .trO‘lT'C'c; C)- COLISiQel’HJlC COLL:;.L;~iO.1 l!

— p I ‘- ‘ A . An -' f. *e -_ ‘1 v 0 - a - + "— .-‘ n .1 ‘1
requests ior .so1 TCTCchu irOM her oos iii; A. two “arcs.

L v

‘ 9

0:3 designation of two sets Oi terse consecutive beech marge
is ;iven below:

2 2 J 2 K
l)27 1927 l

I 2 K 2
l)27 1927

7 ° ' Ari v’\ r '- r- ‘V' . ‘ n 7 ".-- ‘~"

22. All recoverec beich flirts are to be c 1134 b. tueir
old designations, whether the tench mark wax 68533113fl€o by
this or goes other organization. Fhe desi;nation, in the

records, of a bencn mark of anotler or;e;ization is, how-

L.

.’

U--

‘\
,_.
‘/

le
3esi;n

3'14 0

Jo be io;lo 33 t the .nitiqle of the orLanit etion
qtablieue3 the mark.

Triangulation en; trev eree stagioae co3ne3t 3 with
V3113; shall be exile? by their noun: and not :iven
atin; letters.

Tao: temporary 3e33h 32rk is to 3e designate; b; a

number, tie n3m s to re continuo3s tnro3 “1o3t the line.
D723 VIVWOTT’I O? 7"?" Littjib‘

35. A deee-i,tion m3et be 'Tlt en on Form 333 for ev:r;
pertinent heme“ JTFK estatliehe3 or conm1eted with.
me~n Yr, tr '1LJ/Wf'0" . Ere u; ~1n‘p -q w,“ SSi‘rlx “‘0. n. we ." D . ,
i -ol~JO¢L 3r.) ’av¢LJLl L»LaI‘—L)J 1-41 .J.l ‘11 .ay .l_‘ 3 L) J Jb re 40 ‘4 \J reJL .L or a
few yeara a t-r their establishaent should also be deseriJefl
on For3 033. Yo durlicotés oi the de eeriotio3e need be

furnished the offiee.
FEZCELS ‘ifij'ZCL?"“”l“'“

30. The record 333 the prelioinary or field computation
of first- rder leveliuL uet conform to the examples given

subten
sight,

(3
v

'I
{12 t1"
"JV .-

I
W‘s:
'JA-\J

purpose,

milee point

e ruolICEEiOd.

she recorQer ehall keep a recor3 of the rod interval:

Sea by the extreae lines of the Qiarhram on eaeh baa:—
togeth r vith the continuous SUfl o? sues latervale

n each two eontiyuousbe1cl1merlzs {temporary or

eat), .33 a eieilar record shall be kept for the fore—
. The two continuous sum sh.ll be kebt as me y

as feasible, Without the eipeaditule of extrm ti3e for

1-.

+ oeyorL1 (o

x‘ - ' . 4 - 42.
by so .33 i11e3r‘31..e11t

”3311;

between the tack and froat r035

r short of)

L1,.“
U33v

‘3'
~I‘.

7811

3 ere 33313.3. 1.3 to contiu303o eule or a :;eti
shall not be alloteu tx323iff3r b; more firm; 2 qua3tity
eorr;epondig_ to q CiStQHCS of 23 meters.

43. Totes for future u3e in etudgig, leveliu; error;

the

e 3 eu reoord. Meet —3 31; give the tiue
oi oebinnin' en& e33iug the tort of each sectioJ, the
Leather conditioio, eepee ally as to clou3 3ee did etren;th
of win3, and also the dire? 103 of the mind and S33 tith
respect to the line of lev3le. Tue; otaer notes eho3ld be

v 3.1, 3 _. L , . , , .-, ., . _‘_ - , 3.. ‘ . 1.3
in 35113 3 30:31.03 31 lO?‘.tlJ-LS lOl’ 313.3 -131! £32311”).--

mque ¢reet core qxi CDJSICLT”CiDH 11? ;ivou t the Teeter;
of 1eeoztibllit; frz. “ll ‘1reotio.c. “hoe t? loeeti1n 11
"inter ea Voll 13 in "1313r, 333 lefiot “DC'ibilitf 31 313—
turtxilee. Abiulb t?ma 3233133 tfixvée 'lO?‘H;lDLKS‘ISYTB tefiz:3

3 t ‘ h - p . -. 1 j " -‘.~ T5 . ‘ . +‘ I " ‘1' ‘f‘ ‘ ' i
tit3 tee .93: or sole ouil3ia;. 1031313, to ogri‘ er' 13m
1"-~' -" ,r-a -. - ' r. a --.- 10-. —~_ 1‘ P. fit. +‘ 0 ~,-.'
3311;1138 133 eioiue3 93 333. 93 ssiole. 33 3ne “:33,

~.- . L on. .. 1-3-. r~ ..+ . .0 31, ~ 1-. 1- 1
«3313 not 311ec3 t3e e..ieie3o use 31 tee 3e.e3-33 1.

._ c . . j, 3‘ ~. 7‘" ,5 2 ‘ ‘_ _. r L fl 1" ‘1". I 1 ‘1‘ . . “w 3‘ '4 ‘ .1
aria; uet3r3ine3 tse looft1333, 33: 311313 a33 Jro3n e

H 4‘- — 4- ‘, -— . . 'I ‘f‘ ‘ v 3 r1 ‘- ‘

111:1eeix .eti.1 3-.. n8; bcgv13— saris, ‘ e , ‘1r3
‘ ‘ L A 1' : ,_ .1 l ‘ ‘3 I- L ' ( ." 3 -,.
1its tee letter ; emu froze hFu 11 91’33 3.1311 or~er us 3;

1e Sine letter13g systei that Toth end ”urtz e3t3b111333 13
their tor: of l)2).

)3 determine the elevatio3s of tneee monument:
and other bene.-3a he to be eeza liehed on b3ilfi1gs 133

'.~ _' T, ,.. v33 ,3, p ._ ,1 . ..;. 1.. - t- ..
3ri3;ee 3133; t3; 1133 31 levels, 33 013313: eirelit M13

.‘ ‘u‘, _> -‘L ‘f‘ ’,_ A‘" V v‘ .‘9 . v . . . y- ‘w .‘
r311 3.413343 tut; V‘L‘LLC.'I--3firu.3 lflJDl/eu 111 Our“ ‘..OI‘._. -3 77-113-:

-\ . 1 .3 y.,... 1 . ‘-- ‘ 13... ‘ L i 3 'I
1" ‘ ,3 ‘ ,3 ...fll ._ "\ ___n r 11 n .n w r ._.‘f r
14‘.) 3:11.51" 0“.-- J ‘LLCLA"..LT'v.r‘-\_-J 9.4.133 r313 J-L 34¢ a r2414 J , S I f 4 r a: —

."it's. Gulf

O
p.»
'1
L D
S.

._. . ..- .., ., .. ‘3 , 3 , a :- .
‘3 IDS:- 1. .l.;.Lr: 13 1..ere TuLl 1391.11-19. 2'. tOt“. 0.. J. i [c
\r

(0

out ioe circuit mas 2.3 tillimetere

|
H
V \‘
P“
k.
T 1‘
(D

error of closur1

AI ' , A ,. - . I- ‘1 -‘ 1‘ D ,1 | . ,3 ,.
.13 5.- Lilogetore or lx2,¢25,lpflk ~rror: o; eloe1re in

1 , .. 33..-, r .n \ “ ,._. A. “N .
tne in erior circuit: Twnhcu 3ro3 3.; 33. to 3.2 13.

1 - 3 3.- w 1....-. . t- Ln 1 - ,. ,-- , , v 3- ‘ , 5
DUI" -llltyt (like Dir; '.3'S'39./.-18fl€t1 51C «'7'31-‘31 '3"? .3-“5121'1-3171’3. ‘3- OJ.

- - - - A "1' ,1 ,. 3 ‘ ;. ',.-_ ..
over one CCJLifizuCT. his 3irerqe3c. No3l3 mQSo li-el, 3e

+ ‘~ ' A 3 9 " ‘1 F‘ ‘ ‘c ‘ :1 .
estaolieJeu 33e t:1c.-3or;. _o cote- J or 313t1r3q133,
T . " - 1 - 7» - - ,‘ J- u ~
he r13 1 line 3ron 1 to i, c3otcer .e.c‘;3sr: i1 ens zone

level net. ine obtained oiTTereice 13 elevation checte3
that ‘iven or 'oth and flirt: mitnin 3 33 i Cic1,ila no
major disturoq3ce hid occu e3. item to c.
we Tffil 1 l-3e betmoea 3: and J. the result131 circuit cl s‘
witnin 1.o m3. ilso tie line Dr—K—J-f- Wes re—r31, and
checked our first line to xilkfi31'izn1. ‘VLis c)3vin~ed us
that our dete'miuwtion of the difference in elevetion be-

i

" ~ - T ,_ z- A W" 1"- '.‘ I“ "‘ d " ‘ .' ‘ u" L ." . 'l‘ ‘-
t ee1 u 333 other b3rcn- 33113 tls cozrect u1t313 33e 11313.

{‘1‘ D ' '- 3 .0_ 3 3 . ,3 , .7 1. L .. :7 0,.
ine live Circui3s so 1or3e3 were aup3s3eu ior
1 Rd ‘ 1r J- ‘- - v -- ‘r‘ 1 r‘ .-\ _ 1" ‘- ~~ ‘- ‘-v‘ 3 L 1. ' ..\ ‘, ‘
CLDD.TS o; DLS m1t3ou o- l 1;t SG'QIBQ, e2t33lis 13¢ tee

313 fer ences in elevatioufl-uxction beich-3wrks o, 4, ” 2,
elevat io n of late r3euiat

,3 , 4.1, . 3.34. v, 4.3 1.. . . ,, _
233 on 33e ass33 olDJ 3nat t3e error

J

i

.)
l—

I
:3
.U
H

1
LU
(D
*‘S
(L

J

L

.4.
CD

~ 1- - o . 1 1 ‘ . ' 3 1.. , .—. 1. 1

in tee selection of a 11x33 DeicL—lcrl 33 .3 c:
f‘ "‘ " ‘ "‘ * . 3 " . -\‘ ‘\~~, . .w . q. “\ .v D
31-e o3r tori, he QiflSluJTeg tLe ereVio3s esteoiie31e1t 01
7 ‘1 ' x D n w WI" "~ ‘ 1" I 'w '
€16V3t131€ iron ell oossi le an lrs. file ori i13l 3ete r—

.iiuati03: we ehtr, i33erso:1ruui‘l-ith in l)lT} can inave iot

R)
\4

(U

v ' y. , 3 . - 3 1,1 1 ~ . ~ 3
i31isllk3, 35h; a3.hi atel' e.-.;1b E“3ot 1 umxicn-Lrir; :11 toe

\
h
L)
.4
(
,-
kl)
{D
L
f;
|
#4
$3
‘4
(D
_‘I
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H
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i
C‘f‘
L)‘
(D
C)
.J
,r 3

—\ #- "~.‘.L. ~ .0 J- 3 .
JSU A.U‘AU1U\ELIL:I Oi ban,

2 J. - - 3 o *v: 3.. .1 . a , ... , f *T - - r T: I.‘ 1, 3,- 4
a”n1t1;u o- louiyRJ qunmu 113 ‘QTFlSQJ _01u ”as been

— a" "3-, 3.3‘ H- t‘ - L‘. ..1 "- ‘ - 'I r) .7 , fr
3oveo. Cue level 3ets oi otn Qua xurtz 1, )3? 113 0.

rom and iinmero1i in l)31 were J1ted on t“e work 0?

V

i , , . F4 ‘- 3-. -r\' t‘, i H. 4‘ a 3 . 1 3:
JubrSOA 13o 13it3. Raere ore one most 13r1.-e er1ilnol

.3 ,1- 1 3 A L’ . J ‘\A A

euce 31ris on a léfi 3o -1ee o3? ‘16’9b13d3 to 13 De on~
4. L1 -‘7 : 4.1 - n . 1, ‘ w w ,‘

Leer to 13o o891q31335u oirecoi; -er 33e 013 .e1tnc-

‘ A u ‘ ' I v-r. \.~ ‘ d ‘n .-‘ ~' 1..“ I L 5:. 7‘ ’
3ure1a penczrurt-i. niJCc beno ‘m: t) 13 loM iJ a

J /. J‘J kt

3 b :J ;L "IL-Lzl *aiv 'J . '3 ,_'C4 ‘:. J ._ . I- J *' r 1: 24-: 1-! 1-);JQ -1 k1,. 1'1
fO‘i is“ " ““3 it 1“ ‘11 t 11' “V to 1re “‘“' ist

‘\__ :5
ruJLz‘U.’

{ J

'4

3
_ ‘ .‘ 133‘ 3 " “L3 Lt.“ '“ , . 3 "a ’ TA.“ «3 -‘
Marti 0;; LL36 olu c;'-.3 .::1" :Dhi’e'itl, ‘3': L;e"»l-3:\3 5’) use it a» $1
‘a O - A?

e se ior air leJel net.

~~ v 2 h 3. . 7" .3 3,3 . ‘1 - ' , .‘ ,"' .- :: .
jouei3erin: that intersau aau ,Mita 3 u not noji.

A.

f
U

k

‘_ |

' ”3- # ~ ‘. .. ~ Ln .- .34” ,_' An - + .
3_3e1r loJeL 3e3 on tne camoie a; the me3nou oi iraeu agiqres,

1 1 A . " 1 ‘j 1 ~ 1- 1 .\ , I ‘— .A < -‘ ‘
ve COdClJu: tiau our fiuudgumsdt ie more accur+3e 91o varr11t=
+1 - . '1 -3 3 1.. A. - - to 7 3, IA
one 02.39113 of fheir es t1h ieie el3v1lio3s 03 -~ 6 -
, , 1 .. vv . 3 ‘ 1 - , 4- np- 3;. .. '1 .
oar.e. -0werer, 3.:e Cleaned are no» so iicieuolv 31- e

to Cause 11; eoorec viable differen1e a 11; or1ctioal W3r-:

 

 

 

 
 
  

 

 

 

 

 

 

 

 

 

 

 

 

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CAMPUS

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OF AGRICULTURE AND AD'LIED SCIENCE

:Asr LANSING - MICHIGAN"

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J
4

‘5 '_ .,.,V_ r‘ ‘ '4 ~‘ r". \' ..I 1" .C' L,‘
n concretw nonugeut, quout ‘DJ Hort” 0; in.-

K P 4. " -. v- -“ H‘ '7, ‘ -, . _ " fi .-

s;etiou oL ,Jooi whru neg” fiat .irrleox Page. Leroee

. n , .- -m -- 1— A . ~+ :- ._ ° .- , ‘- :.r‘— .r
roan 1r 4 tLe Mien ;wu .t.ee FDlluC harraede. “eterzn

.r- ' N .f '7 F7"'Y 1'- Da .‘ ._- r '"1 p ,.
1.3.x. lo 9.34 ,‘.| a O; LU-XC‘-J COTAzr'; d‘)03 4‘. '3- Ci"

5 -' w , .1 -‘ A... r, ‘09!
o; galuison P03“. llsJo 849.)Doo

~'_- 7 N -;- H

A—‘ O .1.. A- ‘
\r / \ ‘1qu
l I '1 \ \ \ "
X Sonore out in .‘. h¢f$tr of ea‘t m“;t of
- ‘ l ’ I‘ r- .— fi,\ 1 “1 (37!: I‘ P‘
{arxieon FOlb brie e ove- gt ,toar. _eJ. ,,a.),33

. .4—r. . ..,,-.-. -..- 4‘. L 31‘».... .+° ,
CORCIE oz: “04131::th 1;; eff)?” 0.- .‘:.uu.’1’3tl’-‘.‘Lo13

-v -704. _ w H!" .. ,7, .,\ . t . , \
call. 5eterenoee: 2.; H of Clo. ole auo on CCJt;T lint

an!
H

r -1' (,7 H: “a - ". ‘ (' : - i a
1e40netrat1on Tall. 41ev. 3,,.7;97‘ t w '- ’
: n m
concrete monument in front of College Hospi
?efereuoes: 1.3' from curb in test corger of triemvula

\ ‘ ,‘\ A r-1 -*.n ‘ '7' a p A 1
a concrete mOHQJGMt J.l north oi u rtu elro o
r‘x - - O ' a fi , ‘ w
Doll-ye erlre 1” ,ro.t o- ”neic :Yaotioe ouk o. 1.
7—" ‘ ~ ‘ A . ...' ‘fifiv ' ,,\"~ ‘5 r y (- \‘A A.
:eftzeneee. ,2.b of 0F 72 éorter o- cooorete 4;';ole,

\)

|~‘

F...-

‘ ) '1‘!
t. n .

 

27

1.3.4.4.
A .. .. . m 1 p ,. n x-» v .- f» A .,
A COACTth monleent 4.5 erJ AOTuL cure or Jollege

Irive in front of list mint 0: iome ”cononice Building.

"r I“ . ' fl -, . . '7 c ' 371‘} r- '4 N .‘ w ., .L‘... :
dome COHDli : 3t1-c1uL, ,5.3 u- o, l¢ elm o» sou.c eice

of (rive; 23. 7'72 of ;roup of three elme. Vlev. 8A2.5527'

A concret' monumzmt in southwest corner of iutzr-

ecctloa of Term Lane Feed and road le calm: West cast

Vortlculture Building. ef renc es: on line vith eait face

of Worticulture Zuilding and 53. 'H of I? corner; 14.5‘

cge north of small elm. Tlev. 845.3595'

3.1. "Q" 613 I740 ,1/, 36’! 1’2) 4157/?75 1/.56455’SJe/nk117444

F7!

concrete monument 3.. free curb in from: of

)

ricultural Wall. Peferencec: In 3: corner of triangular
island formed by interaection of drive: Tlev. 3&0.)2)l'

(NC I 7 4°
EL concrete molmzuent 111 front of Fairy E31.-;1l<11;15, £553

from curb in I? cornsr of intersection of ?erm Lane qnd

e6

. . . m a, - , ,. . D. (A ~" , " 2M!

College drive. Fe.erencee. lo.J -J of 2 maple.JXJL£v Ii:
/fi?8*

btsjt‘VPjé‘BCl '44 O

9"

l Square cut in 22 corner of concrete manhole on
2’? corner of farm Lane 3r1d;e over ed Cedar River.

Tilev. 335. 2635'

k)

(A:

~- ".71" 0!: . “1X40

-\ . r-w y‘ ,« ~ , s w‘ ‘- \' ' ‘— J- . 'V p -.,‘ _ V p, -‘ o -
A concrete n0Jd$cht on :let eloe Oi urn Leno in -ront

5 v - , 'r— 0‘ -. l _ ._ . " 'Y‘.’ , ‘ "I ”f." _, 2 'Hv ‘1.“
o: laird earn. :eferencce. 3.0 V of anc on - one . center
- x A , ' “”"" _ H , , . IN a
line of concrete La11;o :; 20.8 g; of S ma“le; 27.2'2? O;

U ,_ . "‘1 ‘ ,'. . _.
l} maple; both .maplcs on t eiue.ofa1m L n6.
"7" (31] 8 if) 7.1171 '

NLL‘J O _, O J I 4.

7:. "r-" j K» \0 A0

4.4..-‘. \J

l concrete A nument in 3? corner of intersection of

u e. . . w . - a . .vt :
tool Barn ?Oau and railroal. Referenc e: 3.7 3 of ano

., - . :~ , , .- . N .,. .1, 9‘ . _ 1 . _ w."
on J 93L 3 ce-1ter lln— of cencrete manhole, 5.0 E f n gnu

B —- m/vn If)” K] ‘hq‘flyfin‘
A concrete monument in ?1 corner of intereection of

('1

{arrie on Foa anQ gtock ?arn Toad.

9'- D “1

Ix I ,-\ " ‘ Q ' ‘«
selerencec. 14.7 CL of
H ‘2 *- - --. v we '3 n
23 uaole; 2.4'»; of concrete corner poet; l).5 .3 of lo

_ ‘. '1'“ _, Ir” a r —-r--.
Maple, 5 .4 1 of lire LJurant in A- corner of ro9d inter—

- '. ~ ,P ' r'_‘ ( 1
Section. alev. 343.);13
“ " ' , i" !“J ’ A' 7 ’I
Q.L..2 {DiL-/gl/cfi .
A corlcrete monument in center of triangle formed Dy

"gnnasiuu, old Armor; and ‘otaaical

' “Inhienfi I ‘

‘---- w."""l . . ' .‘ 'v "' 1 ' C “'1'. 'Q""' ‘ P '

147 ”5 of -9 corner of—he+ Junaeiun, $59~o -“of"w fiO‘nvI-
:1 - ,. -. - » 1- . _._ L ". , . , '
eLLole—Armorj; earoLiLofiwenall_maolo4 ‘lev. 8’2.)Llo

*JC-L.../

& concrete uonunent in front of Presim. nt Shaw's

\, ~ ,- ~--. a _
‘n§§ some. eeferencee: 45'o; 0: ever TESJ tree nearest
houee; 53"W of 3? corner or that's nouee; 21.1'" of 5”
corner of steam manhole; 42.3'N of 30" elm.

Tlev. 555.4472'

A concrete monument a; o-

r‘., ,‘a ADA ,A. , ..s_\ 'H .n .-- .. i
union ?u luinp. fie-erencee. ,,.h 4 ol 9 curb o

7'7.)'r1--‘fi .p 7', H

‘31») kj‘\ \N‘fi
1 00ncrete monument directly in front of

and *2 of Ienorial Tower. Teferences: oak tr

rv"701'1

r.) !. 1 -‘- ' ,1. _, . “ L A ,~
_..,.1 , fire nyurant 9,, .2, cistanoe

C:
H
LI:-
0:)
5
(D
\)

Tlev. 852.4371'

(9 A, \q ’Lé

l co‘ilcrete .rnonigent on athletic

llS ide cure of east side of running track.

22.0'TT of point of curvature at

q

'9 _ . A _‘,. - A: H ‘ '2" 1' a
01 popular on banl of Sec Teuar, 11)., £1 oi

entrance to fiel “lev. 833.4334'

A concret e

“10111414116 at 1 11 :T‘I':

/t
./
1'

Grand River Avenue and Charles Street.
.1': of :2 corner of Standard 011 station;
siievalk; 2.2'W of eidewalk; 2.8'? from

curb. K ev. .de . 5827'

Korth end of Couievard past Union Building.
03.0'3 of tase of signal post; 2.1'5 of insid
f

curb; 78.3‘: of #3 o

I , . fl \ . I .. ' . '
' ' - - ‘ ' . . . \ u ' .1. v
F' Y. \- n u‘, ," ’ '- _ '~ ~ \ . ,7 ' ‘p‘, (n P. ‘4 1‘" ‘ ' - a '

new Library

..v

-- .1 x..
-1elu due

end of tree

deference

nonunent between entrance and en

(D

93 corner of old Weather

recon,

0'; ever—

on main

corner of'interiectian of

x V“ O
,_ .\
— O

'3 of

inside ed;e of

1,. s.
Dav

Bureau.

 

 

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3 ~- H ~ H
L; . Our.)

,1 A .I- . A. - . ...,‘ p . - .~ A - .p
A square cut in curb on .3 corner oi intersection oi

(D

-,- ~ - " ‘r -,-.- A '.' -. 1 '5'“
olleve LTiJe anc n chi; _an iJenue. ~eferences' 4.5 ,

g)

0

f catch basin in curb; 17.2'W of cast iron ma hole.
Tlev. 542.5e19'

.\
T: -5, ”Ln" .7) l,- I JUIO
1.) o L .1.-.../ l "

A square cut on 8? corner of casement at main entrance

(.2)

side of Dairy Diildimg. Ref erences: /.S'3 o? flair“

’

L‘

3uildin¢. “11 1"? of Center line of fairy Buildin3.
flev. 851.2h32‘

"1:11" 0.11,, \:-;.—/\o
1 square cut in the concrete copin; on the T3 corner

of the T ting of the front cteos of Femonstration fiall.
7lev. 8h). ZN 95L

3;. "33" OY, Maw?)
A square cut on N end of curbing on T side of fivm

3Li3 e over Red Cedar. Zlev. 535.9357'

753.111. ":15" (“5mm ; ’9; W,
: concrete monument at interscc 101 of P1 3 er; Road

and Farm Lene, about ADD' 3 of Fed Cedar bridge. Pef erence
13.4'2 of 2 fence of field; co'x: of 12" maple on T side
of road; 4A.Z'IW of 22" maple on B side of road; A5.3'S?

of 22" uaple on T siue of road. Tlev. 3:5.A682'

" ‘1' .‘fl'

1391.1. tad"
i s: dare cut on N end of Base ”alk at foot of T

stadium bleacher. Tlev. 358.2254'

A ‘ ‘ . i‘ I

" ' 'q ('1 (V I. 1 ’. .-_|~ ‘ ' ‘ '1. ' 1'" «l’ “y
I H‘ '

:3 o ".1. .1 o - o 1 o :1 o ' 1' j, I ' 1 .'
Sovernuent oench naik, an iron pipe, 3.8' above sur-
face of ground, set next to sidewalk on E? corner of inter-

sectisn of Yarrison Road and dichigan five. Referen 6‘8:

"*3

33'? of center line 0 street

0

ar trccli; 01'? of Harrison

7‘ .1 7-3 ('2 I .- '
7.0 '10. C “ide‘wval-;o Llev o )3 0 4.)25
r" ' fl, .1. ..9 . K” "3-; . ’ .c 1' 1 - I - . - 1’4, ‘1 I r W x
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Com I‘d/7'0” of Mean

flaf— x? Mao/7 . fad Apiary/-
. .277 leg-.000 Elf/7
xx: 0
17/0 "‘ o f . 1300'
25‘2" 2.5-5 Z F

 

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—- ammo

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2* AB

. a? 7%? 32 a. 3 aa'za 79/
Afi -/ 0.52577 afléd —-—/77

2 A5370 /3 7.570 fl7¢944
Z “.2 372a 5'90 7344 27

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- a ,3 6' .3 43/60 /°

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7/4/ ~d/ -4/ vx7724-
d a a a i- / 7‘4 7idd +4 7W& 4. 0
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Coma/0770” of Med/7
[27’- 4/2. 45/37?— zeoa’ Med/7 7320’ 42,222 — 4%577

529/767 ”2717’ of .3’ 1.1/77 2,7215: f/r/é’fl 7632092735 72774 e Zé/vfl
2/ 97(2' 2/ 7820’ /F 1/0/5 fl/f/e/mc 2/

4/4/15 546K“ //2//5 Z/I/EFIo/s fi/o— of fad

Ito/0’ mes/£73 Zfl-ZF 2'5 ZF 25/2/2522

”/17- MM ”7% 27/77. 27/27. 06'
U57? F 2 /722 a 722 272 , 227277 22772 --2/22 3 22°
29' 2 /7/7 2 72:" —- 3 22 7/2 27.72. 7 72/273 /J°

F 2 /7/7 2. 726 —/ /7472 2/2/2 —2/.:r72 /2 ‘
fl 2 /7‘Zd 7.722 ~22 2/772 /7 7277 72/2232 2 7°

K- :7 F 2 7272‘ 21323 22 73742 /772'.2 727/22 22"
2' 2 /227 a 3.27 «3 22/7272 7572. a ~24/2'2 /7"

F 3 .7222 2 322 7/2 .2 7// 7 7277: 7 727/20 27 °

2' 3 M27— 2325 ~2 22277 2322. 7 «27/22 22 °

cf— V F / 57? 2/741 -/3 /2722 277273 7/22/3 27”
5 / 2‘22 2. /72’ / 2 27/2. 3 /2 72. 2 «7232.3 //"

F / 227 2/2”? 73 /7/2.3 2772.2 7/22/7 23"

i / 273/ A 277 -- 3 2722.2 /22'2:7 v2.7.7.7 2/ "

1/— U F 7- 2 725' 22/7 --/2 227777 .7772. 7 —- 272270 22"
i 4- 2722' 2.2/2 ~33 72:23.7 7222.7 72/272 /2'°

U- 7 F 4 /722 22727 72’ 7/752 72 72.2 727/70 23"
27 7 /777 7 227 172‘ 27.772 2277 7 ~2424. 7 22°

7- 4/5? F / 22:7 2277 7/7 /7772 /7227.2 72222.0 23°
‘5 22/ 7.772 —/3 ”3422 /72/7 —22377 22"
A/i—j F 2 222' 7/52 7/ 222 23 2/722 ~2'J7-27 2/”
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1 2 #4

 

 

 

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fl/i/ecy~
almix‘ire Aere/ Jko’e/r Adv/92% 782/77; . eace
&. Afr/“or fr/vr of of £0479 A/fle Maw/7
VQ/mcffo/I £0 0’ 500’ 5 - F
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39

Campy/277700 of Mean

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

fér- 4/3. fl/Jsvé— fl3o’ Mei/7 /€3a/ (gap/ar- 1/333
5936/; Ira/0’ 3/ £737 . 3/168 f/z/er— fle3o’fl7ys (3734: 75356:
or 5/47 of /'/7 33/5 375672933523 3/
4/4/15 M 77335 3630’ A? '/o-- 3/ 3930’
”310’ Z/z/e/I’J/s mfg/3 2512’ F 25 .25; 532%
W” #737! ”I” ”/17 37/12 ac
fi-flfi.’ 3' / 7/ 3327 —-3 /3373 33377 /373 73 /7"
3’ / 72 3323‘ 77 3333.3 3333. 3 2 3 773. 3 23 °
flfl- Q 3‘ 2 773 3232 — 7 2232/3 3337. 3 ——/3/3.3 /7°
5 z 773’ 3233 .3 373/3 23/3. 3 //3/7. 7 23°
4-— 6 ,3 / 373' 3/77 //7 23-7/3 3333.7 3/3733. /3°
5 / 3’77— 3/73 -—/3 3333. 3 2.3/3.3 -/3 73. 3 23"
F ,2 323' 3/33 «3' 3737.3 2333.6 //3777 /3"
3‘ 2 .373 3233 -—/4 /7377 33/77 —/3733 23°
M—2 ,4” 2 733 327/ /// 3732.7 3372.7 —75‘37.7 27‘
5 3’ £75 3272 /3‘ 37777 223314 333723 23
2-6.5 ’7' 2 7/3 32/3 ——2 232/3 733/6 —/333.3 22"
<7 2 737 32/2 . 73 7677.373 227/3 //33/3 27"
6.5543 2 3'73 3/73 3 7 2 77.7.7 7733. a ——/737 3 22°
3’ 2 33/ 3/77 -/ 7/333 2/43 7 //737.3 33 °
k?- A' 3' 3 /3/2 3 .737 «/3‘ 35377 37377 3/3243 2;:
3' 3 /333 3337 /7 7333.7 373/6 3/3239 27'
A ~fl// 3' / .77 33/3 «3 /7733 333 73 3/7737 23‘
3‘ / £3 3 323 3 3.333. 0 /73.7.3 43 42. 3 Ag:
33 —K 3' 4- /3 93 33-33 -— / 32 76. 7 73.77. 7 -—/33-3. 3 2/“
35’ 3 /3 73‘ 32.733 -—7 37773 732/ 7 7/337 3 26°
/’ .7- /722 3377 -—/7 3 3//3 73 33 3 — /33-7 3 25"
5 7 /737 33/2 - 9 7772/ 3933. 7 3/333. 7 23 °

 

 

 

 

 

 

 

 

 

 

 

 

 

 

43

D/fi‘eremes fr} Hera/ion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Coffee/7335 fl/f/e/E/Ice 3/ 5/3/3773” _
[me/y-
mfim: 33 37/ Z3021 Lexy/i 727,7 . eflce
d1 . £7773 £33.33 3/ 3 £3377 34/33 Mao/7
1676-337?“ 7630’ 330’ 2? 7/"
7273/ 37/3. 3737. 3737. 72737. 37. 37. ”/2:
3. 3 3. 3 3. 3 73. 73 73 73. 73 73 73. 7
3. 3 3.3 3. 3 73. 7733
73/ 3, 3 3.3 ' —/ 3/32 7/3/73 7/ 3
3.3 3. d 3 3 7/ 3/ 7‘7
—3/ 3.3 3.3 . ' 7/ 373/ 73.7
7-3. / 3.3 -3, / —-/ 5733
33 33 33 7/ 3777 735'
3.3 —3./ 23/ —/ 3732
3. 0 7 3. / ~32 -' 4. 3373 -- 7.37/2 72.7
3. 3 3. 3 A. 732 7 7. .772 5'
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3 3 3 3 Q .S‘ 3. 3 -— / 3333 — /3333 7//
Q \'
3 3 3.3 E; 5" 73/ 7/33/7
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3. 3 73/ 3.3 ——/ 7372 —/ 7373 73.2
3. 3 3 3 7-3. / 7‘/ 9577‘
33 73/ 33 7/3/77 7/ 3233' 7//
fl 3. 3 —3. / -—/. 32/3
3 3 3. 3 3. 3 7/ 7737 7/ 7 7/3 7/3
A 3 3 3 3. 3 —-— X 39‘ 7‘23
33 3-3 3.3 —/ 7333 -—/33‘77 -—3.9
73. / 3- 3 3. 3 7/ 3377-
33 -—-3./ 43 ——/ 3377- 7//
73 / «3. / ' 3 3 7/ 3333‘

 

 

 

 

 

 

 

 

 

 

4/

Com/oofaf/on of Mean

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

f3 - /V3. 551‘— 530’ 4/333 . £3 0’ 3,3333% 77/33”
533173 Wl/v’ 3/ 5/37 3333 13/2/— £3309x735 3773 7337 .
3r {(33 3/ 830’ (/7 73/5 , differ/'33 3f
Mar/95 533A“— 7/335 Ibis/r315 A’x/3— 3 _ 2830’ ‘
333’ 332335 13-27:“ 2'3 2' 3' 33/3333
3232. 3737. 3737 373/ 3737 a c.
3 -2 3‘ z 3.53. 3333 +3 x3733 4733.7 333937 27"
2 3 43 3234 3 4347 7 33-33. 4— 723733 23 °
3 — 4 3' 2 337 3/77 - 7 3772.3 5373.3 —2332.3 23"
3’ 2 3.75 3/77 ~27 37-77 33 73.4 3233/3 23°
flfl—J’M' /=‘ 3 734— 3.273 33- 444-23 2333.: 323323 27°
.5 a 732 3275' 337— 27/33- 32333 —23333 23‘
5933/ 3" g /229 3337 -—3 3233.7 3/333 33357.3 27"
3 2 3233 337/ 32 333377 33333 -—33d‘4.3 22°
3" 3 /223 3363 -—3 32433 37373 7-3366. 23‘
3’ 3 /223‘ 3333 73 73/33 33733 ~333‘37 23’

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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