TRIANGULATION STATIONS. 
135 
POLLOCK, WASHINGTON COUNTY. 
On Pollocks Hill, about 2 miles west of West Elizabeth, on road to 
Finleyville, 400 feet west of a rough board shanty on highest point of 
(bare hill owned by Mr. MeClure. 
[Latitude 40° 15' 08.99". Longitude 79° 57' 06.26".] 
To station 
Azimuth. 
Back azimuth. 
Log. dis- 
tance. 
Hillsboro 
O / II 
29 10 08.6 
61 30 10. i 
O ' // 
209 05 31.5 
241 19 25. 7 
267 20 47.3 
Meters. 
t. 3197152 
4.449663] 
! 87 29 40.3 
4. 2904183 
JEFFERSON, GREENE COUNTY. 
About 1^ miles southeast of Jefferson, on a high bald knob owned 
by Lawrence Kraft. 
[Latitude 39° 54' 58.46". longitude 80° 02' 11.35".] 
To station- 
Azimuth. Back azimuth. 
Log. dis- 
tance. 
o / nor it 
171 14 13.9 351 12 54.0 
Meters. 
4. 2860956 
HILLSBORO, WASHINGTON COUNTY. 
In a rocky pasture, about 1,000 feet north of Hillsboro (Scenery 
Hill) church, about halfway between Brownsville and Washington 
along the National pike, on land owned by Mrs. E. S. Tombaugh, 
who lives at crossing about 1,500 feet southeast of station. 
[Latitude 40° 05' 17.67". Longitude 80° 04' 15.81 ". | 
To station- 
Azimuth. 
Back azimuth. 
Log. dis- 
tance. 
Pollock 
O 1 II 
209 05 31.5 
251 34 48.6 
295 07 06.8 
351 12 54.0 
319 14 33.3 
33 02 20.9 
51 48 48.2 
108 08 43.9 
151 42 44.5 
o / // 
29 10 08.6 
71 44 42.6 
115 13 26.6 
171 14 13.9 
139 22 16.0 
212 51 42. 6 
231 42 26.5 
288 02 07.1 
331 38 29.5 
Meters. 
4. 3197152 
Shepler 
4. 3616006 
Krepp 
4. 1890430 
Jefferson 
4. 2860956 
Keener 
Hughes 
4.4181154 
4. 2751190 
4. 2531028 
4. 1859700 
Canonsburg 
4. 2949237 
CANONSBURG, WASHINGTON COUNTY. 
In North Strabane Township, in a cultivated field at summit of 
high knob, 1 mile S. 15° E. of Canonsburg and in view of the town, on 
land owned by James Hanna, who lives on east side of hill at a road 
fork. 
