10 
PRIMARY TRIANGULATION AND PRIMARY TRAVERSE. 
Geographic positions along Chicago, Rock Island and Pacific Railroad between milepost 
279 and Barber. 
Station. 
Milepost 27d, road crossing 1,800 feet east of 
Milepost 278, road crossing north and south 0.5 mile cast of 
Milepost 275, road crossing north and south 0.5 mile east of 
Milepost 276, 950 feet west of 
Road crossing north and south 
T. 5 N., Rs. 30 and 31 W., south corner sees. 31 and 36 
Mansfield, in northeast corner of restaurant yard opposite station. 
iron post stamped ' ' Prim. Trav. Sta. No. 12, 1905" 
Milepost 270, road crossing north and south 230 feet east of 
Abbott station 
Milepost 2G7, private-road crossing 1,000 feet easl of 
Milepost 266, 338 feel easl of, 135 feel west of road crossing, in arch at 
southend of stone culvert, aluminum tablet stamped " Prim. Trav. 
Sta. No. 13, 1905" 
Echo station board 
Milepost 262, 705 feet west of, pri \ a l e-r< >ad crossing 
Milepost 2(il. road crossing 1,065 feet west of 
Barber, road crossing 0.5 mile west of 
Barber, railroad bridge over Petil .lean River, in top ofeasl end of cen- 
ter concrete pier, aluminum tablel stamped "Prim. Trav. Sta. No. 14 
1905" .-«.. 
Longitude. 
94 2] 62. 4 
94 20 16.4 
94 17 25. 
94 19 00.3 
94 16 20.8 
94 15 02.6 
94 14 38.0 
U 13 07.3 
94 11 39.4 
94 10 05.0 
94 09 09. 3 
45.4 
45. 7 
94 04 52.6 
94 03 46. 4 
94 07 
94 00 
94 02 50.7 
Geographic positions along highways) Barber to Pinnadi triangulation station. 
Station. 
Schoolhouse, forks of road just north of 
Peach orchard, forks of road southeast at corner of. i;> feel southeasl 
to corner rail fence nea r county line 
Logan-Scott county line, road fork west on ridge 0.5 mile easl of, 5 ft el 
south to arrow- painted on t ree. .' 
Field on top of ridge, arrow and cross painted on tree at southeast cor- 
ner of 
Forks of road, arrow and cross painted on Mack oak 250 feel west of. . 
Church, turn of road at north end of lane 
Road north to schoolhouse, at turn of road 13 feel east to cross on 
fence post 
Pleasanl Ridge schoolhouse, in cast face of bowlder which is partly 
overgrown i>\ post -oak tree, aluminum tablet stamped " Prim. Trav. 
Sta. No. 15, 1905" 
T road west a bout 0.5 mile south of Washburn Mountain 
Pinnacle triangulation station, knob on ridge about 5 miles south of 
Charleston, with all timber cleared from summit; station mark, 
lone t ree lil.ized nea r foot 
Zion schoolhouse, crossroads 25 mile soul h of 
T. 7 N., R. 29 \\\. sees. 26, 27, 34, and 35, corner of 
Latitude. 
35 I 8 29. 1 
35 08 52. I 
35 09 07.6 
35 09 39.5 
35 K) 11.7 
35 10 35.4 
35 10 40.2 
35 11 12.9 
35 12 00.9 
35 12 47.77 
35 14 06.1 
35 14 45.5 
Longitude. 
ill 02 ;-,9.7 
9 1 02 03. 6 
94 01 33. 1 
94 01 OS. 1 
94 00 46. 1 
94 01 09.0 
94 02 33. 1 
94 02 32.2 
94 03 11. 44 
94 03 48.2 
94 03 47. 
ILLINOIS. 
PRIMARY TRAVERSE. 
MADISON AND CLINTON COUNTIES. 
BREESE QUADRANGLE. 
The following geographic positions on the United States standard 
datum were determined by primary traverse in 1905 by J. R. Ellis. 
The line starts from an adjusted position on the Belleville quad- 
rangle 2 miles west of Highland and follows the Vandalia Railroad 
to Highland; thence east and south along highways to a point near 
the southeast corner of the quadrangle; thence west along highways 
to a point 3 miles east of New Baden, where it is run west over the 
