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Corrected North American Datum coordinates are marked with an asterisk (*)thus, NAD83*. Please verify and notify in case of error. See footnote about corrections to KYMAK Datum transformation Formulas.
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Example Enter Coordinates
Such as: -111.91175 x 40.5409513

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Solution for 1957 Design Problem:
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Project

Master Plan for Brazos County Texas

College Station:
Unit center S 422 13/21 x 410 5/7 W

N 30.6798333584 x 96.2932738928 W
h=2356.559 meters; h=(H-N)
Rn=101.035; Rm=87.3267 ft/sec.

Bryan:
Unit center S 410 5/7 x 410 5/7 miles W

N 30.82224937956 x 96.405750326 W
h=2369.488;
Rn=101.037; Rm= 87.198 fps

http://www.capitol.state.tx.us/statutes/lg/lg021900.html#lg001.219.001

http://www.capitol.state.tx.us/statutes/lg/lg023300toc.html

Attn: J. Thomas Regan ema il:[email protected]

ALABAMA:
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Project

Mobile Region
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Project

North Mobile

North edge of 132ft R/W Main Thorofare (BAC) at Center Line Gulf Shores Parkway:
S' 676.5 x 11 19/ 21 E'
Bearing from POB N 146.7405954 deg. E
N 30.801712128491 x 88.0373377734 W
h= 5324.556 ft.; h= (H-N)
Rm=87.217; Rn=101.037 ft/sec

Main Thorofare (BAC) crossing I-65:
S' 676.5 x 7 20/ 21 E'
Bearing from POB N 146.075679 deg. E
N 30.7734686787 x 88.0948828619 W
h=5341.729 ft.; h= (H-N)
Rn=101.037; Rm=87.242 ft/sec

Centerline Freeway at Centerline Parkway:
S' 678 x 11 19/ 21 E'
Bearing from POB N 145.7428256 deg. E
N 30.78278824 x 88.024878788 W
h=5316.864 ft.; h= (H-N)
Rn=101.037; Rm=87.234 ft/sec

Centerline (KYMAK pattern) Boulevard extension at North edge Main Thorofare:
S' 676.5 x 9 20/ 21 E'
Bearing from POB N 145.9061114 deg. E
N 30.78776491 x 88.06576839 W
h=5333.048 ft.; h= (H-N)
Rn=101.037; Rm=87.229 ft/sec

Centerline Freeway at Shipyard:
S' 678 x 8 20/ 21 E'
Bearing from POB N 145.9925686 deg. E
N 30.7616976183 x 88.0678614722 W
h=5329.712 ft.; h= (H-N)
Rn=101.037; Rm=87.253 ft/sec

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Main Thorofare Extended to Bates Field

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North edge of 132ft R/W Main Thorofare (BAC) crossing US Hwy 98

S' 676.5 x 2.5 E'
Bearing from POB N 146.5376909 E

N 30.7470592434 x 88.1825274137 W

h=5370.406 ft

Rm=87.266; Rn=101.036 fps

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North edge of 132ft R/W Main Thorofare (BAC) at Center Line Parkway:

S' 676.5 x 0
Bearing from POB N 146.75 deg. E

N 30.7165432629 x 88.2105516478 W
h= 5376.072 ft
Rm=87.294; Rn= 101.036 fps

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North edge of 132ft R/W Main Thorofare (BAC) crossing Tanner Williams Road:

S' 676.5 x 2.5 W'
Bearing from POB N 146.961996 E

30.6086208811 x 88.2468829555 W
h= 5386.81 ft = (H-N)
Rm= 87.309; Rn= 101.0355 fps

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Project

Mt. Vernon Municipal Unit

SE corner: S'665.95 x 23 17/ 21 E' (on N' R/W line of Freeway)
Bearing from POB N 144.9999703 deg. E
(Mobile county)
N 31.0197137903 x 87.9513171886 W
h=5320.56 ft.; h= (H-N)
Rm=87.019; Rn=101.044 ft/sec

NE corner: S'654-M x 23 17/ 21 E'
N 31.1706429044 x 88.0509058619 W
h=5388.29 ft.; h= (H-N)
Rn=101.04; Rm=86.88 ft/sec
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Project

Wilmer area crossing into Mississippi
SW Corner: S'665.95 x 17 6/7 W' (on N' R.O.W line of Freeway)
Bearing from POB N 148.2878104 E
N 30.7209302184 x 88.5578957309 W
h=5505.29 ft.; h= (H-N)
Rm=87.29; Rn=101.036 ft/sec
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Project

Kushla Unit center: S' 672 x 5 20/21 E'
N 30.8158294013 x 88.1613831909 W
h=5373.351ft; h= (H-N)
Rn=101.037; Rm=87.204 ft/sec

Mobile Unit center: S' 684 x 5 20/21 E'
N 30.6644917083 x 88.0616235236 W
h=5312.003ft
Rn=101.035; Rm= 87.341 fps
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Project

Tanner Williams Urban Core center: S' 672 x 5 20/21 W'
N 30.73046173 x 88.33450188 W
h=5424.40ft; h= (H-N)
Rn=101.036; Rm=87.281 ft/sec

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Project

West Mobile Urban core center: S' 684 x 5 20/21 W'
N 30.5792663585 x 88.234583107 W
h=5363.45ft
Rn=101.034; Rm= 87.47 fps

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Project
Alabama Port

S' 700 x 6 20/21 W'
N 30.370394286 x 88.11622282 W
h=5286.32ft
Rn=101.03; Rm= 87.6 fps

S' 701 x 6 20/21 W'
N 30.3577791851 x 88.1079394661 W
h=5281.22ft
Rn=101.03; Rm= 87.62 fps

S' 701 x 7 20/21 W'
N 30.3506219222 x 88.122422957 W
h=5285.56ft
Rn=101.03; Rm= 87.62 fps

Urban Core - Bearing N 147.2406315 deg. E:
S' 696 x 5 20/21 W'
N 30.4279899864 x 88.1348853 W
h=5302.37ft
Rn=101.03; Rm= 87.55 fps

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Project
Garrows Bend development:

Point 1: S 684 5/ 6 x 5 20/ 21 E
N 30.6538667979 x 88.0552231326 W
h=1617.852 M; h= (H-N)
Rn=101.0348; Rm=87.350 fps

Point 2: S 684 5/ 6 x 6 11/14 E
N 30.6598133773 x 88.0431223 W
h=1616.748
Rn=101.34956; Rm=87.345

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Project

South loop Interstate Highway 10

Point 1: S' 690 x 0 E'
N 30.5463367047 x 88.0983651928 W
h = 5307.216ft
Rn=101.033; Rm=87.447 fps

Point 2: S' 690 x 11 19/21 E'
Bearing= N145.762912E
N 30..6313466564 x 87.9253816526 W
h = 5255.252ft
Rn=101.0345; Rm=87.37fps

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Project

Tunnel - I-65 to Bates Field

Point 1: S' 678 x 5 20/21 E'
Bearing N146.24463768S from POB
N 30.740170632 x 88.111464238 W
h = 5342.68ft
Rn=101.036; Rm=87.27 fps

Point 2: S' 678 x 1 20/21 W'
Bearing N146.24463768SE' from POB
N 30..6313466564 x 88.22638574 W
h = 5376.794ft
Rn=101.035; Rm=87.323fps

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Project

Loxley/Silverhill 696 x 17 6/7
N 30.597638368 x 87.7898614808 W
h=1584.4377 M
Rn=101.034; Rm=87.401

Foley/Summerdale 708 x 17 6/7
N 30.4459947207 x 87.690935541 W
h=1565.538
Rn=101.032; Rm=87.536
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Project

Unit Center S 672 x 17 6/7 E

Old Mobile
Old Mobile Aerial 16m
Site: S 668 x 19 11/21 E
N 30.9630445754 x 87.9975935319 W
h=1626.167 M
Rn=101.0397; Rm=87.0708

Detail:
Old Mobile
Old MobileAerial 1m
S 667 1/2 x 19 14/21 E

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Project

Downtown Prichard development:
5 miles n' x 1 mile e' of Unit Center

Broadacre City Zone #24 - School
Unit 19/20 x 32/32 miles

Point 1: S' 679 x 6 20/ 21 E'
N 30.7348389109 x 88.0886898357 W
h=5333.3 ft; h= (H-N)
Rn=101.036; Rm=87.277 fps

Broadacre City Zone #52 - Woods
Unit 29/20 x 32/32 miles

Point 2: S' 679 1/2 x 6 20/21 E'
N 30.7285325305 x 88.0845352409 W
h=5330.74 ft
Rn=101.036; Rm=87.283 fps

MASSACHUSETTS:
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Project

OHIO
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Project

LAKE
Unit Center: E'684-M x 184 11/21 S';B=N71.86429028E
N 41.578237069 x 81.3975832615 W
h=4435,245ft
Rn=101.219; Rm=7.002 ft/sec
GPS
N x W
h=
Rn=; Rm=

Kirtland: E 687 x 182 11/21 S
topo
aerial
h=
Rn=; Rm= ft/sec

GEAUGA
Unit Center: E'684-M x 196 3/7 S'
N 41.4224278968 x 81.3012389518 W
h=4466.23ft
Rn=101.216; Rm=7.18 ft/sec

CUYAHOGA
Unit Corner: E'678-M x 202 8/21 S'
N 41.3082285649 x 81.35796367 W
h=4371.859t
Rn=101.214; Rm=76.318 ft/sec

Unit Corner: E'666-M x 202 8/21 S';B=N73.67011273E
N 41.2353836814 x 81.5677151406 W
h=4457.789t
Rn=101.212; Rm=76.403 ft/sec

PENNSYLVANIA:
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Project

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Project

Unit Corners at 24 mile intervals

Unit Corner: S' 4162/3 x 94010/21 E'
Bearing from POB N 80.6853521 deg. E
N 39.93090202558 x 75.1616319147 W
h=1007.82 ft.; h= (H-N)
Rm=77.902; Rn=101.186 ft/sec

Unit Corner: S'3926/< > x 94010/21 E'
Bearing from POB N 79.461007 deg. E
N 40.2500438434 x 75.3240638828 W
h=1169.067 ft.; h= (H-N)
Rm=77.35 ft/sec; Rn=101.195

Unit Corner: S'4162/3 x 9162/3 E'
Bearing from POB N 81.2322392 deg. E
N 39.808801258 x 75.5798471178 W
h=1211.01 ft.; h= (H-N)
Rm=78.04 ft/sec; Rn=101.187

ILLINOIS:
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Project

Hancock

Unit Center E 196 3/7 x 5 20/21 S
N 40.537819865 x 91.24810665 W
h=2386.867 M
Rn=101.200; Rm=77.209 ft./sec.

Unit Corner: E 190 10/21 x 0 (Nauvoo area)
N 40.566670424 x 91.40341839 W
h=2400.968 M
Rn=101.2007; Rm=77.176 fps

CALIFORNIA:
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Project
Unit centers are 250/21 miles apart each way.
Marin County: W' 1196 3/7 x 970 5/21 N'

Unit center: W 1172 13/21 x 946 3/7 N

N 37.8503641625 x 122.3520842 W
h=2197.757 M
Rn= 101.153; Rm=80.208 fps

Unit Center: W 1172 13/21 x 958 1/3 N

N 37.9560334113 x 122.5220071 W
h=2186.589 M
Rn=101.155; Rm=80.093 ft/sec

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Project
Units are 250/21 miles square

Unit Corner: W' 88 units x 75 units N'; K=2
F=135-F'-Q = N 82.78831344 W

N 38.7452824271 x 120.1049066 W
h=7965.337 ft * 0.3048 = M
Rn=101.169; Rm= 79.229fps

Unit corner: W' 87 units x 75 units N'; K=2
F=135-F'-Q = N 82.46657493 W

N 38.874061555 x 119.960234338 W
h=2444.274 M / 0.3048 = ft
Rn=101.17; Rm=79.086 ft/sec * 0.3048 = M/sec

MAINE:
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Project

Unit centers are 250/21 miles apart each way.

Lincoln

Unit center: E 1303 4/7 x 244 1/21 S

43.9546056668 x 69.5757776988
h=-388.2195 M
Rn=101.261; Rm=73.151

Unit Center: E 1291 2/3 x 244 1/21 S

43.9054870341 x 69.8044250042
h=-350.091 M to KYMAK datum zero
Rn=101.2598 Rm=73.211 ft/sec

FLORIDA:
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Project

Unit centers are 250/21 miles apart each way.

Unit center: S 1184 11/21 x 255 20/21 E

N 25.8919927242 x 80.63411711 W
h=342.724 M
Rn=100.965; Rm=91.325 fps

Unit Center: S 1196 3/7 x 255 20/21 E

N 25.7365632331 x 80.5505094255 W
h=321.248 M
Rn=100.962; Rm=91.444 fps

TEXAS:
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Project

Ector W 660 x 148 17/21 S

N 31.7511300374 x 102.397442714 W
h=2669.612 M
Rn=101.052; Rm=86.3476 fps

GPS
N 31.7511437466 x 102.397436762 W
h=2668.122 M

Midland W 636 19/21 x 148 17/21 S

N 31.95.687378 x 102.087666474 W
h=2669.487
Rn=101.055; Rm=86.156 ft/sec

TEXAS:
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Project

Unit centers are 250/21 miles apart each way.

Tom Green

Unit center: W'577 8/21 x 244 1/21 S'

N31.3802222363 x 100.31084611W
h=8495.448 ft
Rn=101.046; Rm=86.89 fps

Unit center: W'577 8/21 x 232 1/7 S'

N31.5185263353 x 100.43063715W
h=8527.943 ft
Rn=101.048; Rm=86.563 fps

CHINA:
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Project

Unit corners are 250/21 miles apart each way.

Tianjin Province

Unit corner: N'584 units x 133 units E'
F=45-F'-Q = N18.21009459E; K=3

N38.9272758786 x 117.674370164E
h=8561.952 ft = 2509.683 M
Rn=101.172; Rm=73.027 fps

Unit corner: N'549 units x 133 units E'
F=F'-45-Q = N18.23069721E; K=3

N 38.7558293845 x 117.629966954 E
h=8550.538 ft
Rn=101.159; Rm=79.217 fps

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Project

N 39.1210800078 x 94.4539186283 W
h=2578.461 M
Rn=101.175; Rm=78.812

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Western States

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 NOTE: As of 2/15/05 all points should be corrected in accordance with Formulas lines 588 and 593. Further adjustment may be needed - first order station point is required but unavailable at this time due to expense. Corrected points will be marked, NAD83!!. As of 8/16/2011 KYMAK Formulas in line 20, L has changed from a geodesic to a parallel, as is K. An asterisk, * will be used to mark these corrected coordinates where shown on KYMAK webpages.

Updated 8/19/09 …(Renewing 8/13/14) corrections 12/26/18