76 PRIMARY TRIANGULATION AND PRIMARY TRAVERSE, [bull. 210. 
[Latitude 39° 05' 38.17". Longitude 81° 38' 37.84".] 
To station— 
Azimuth. 
Back azimuth. 
Log. distance. 
Melhorn 
71 29 19.« 
251 25 11.0 
Meters. 
4. 0003208 
Lyons 
4. 3483181 
Wigal 
163 40 18.4 
343 38 59.:, 
4. 0284663 
PINNACLE, WOOD COUNTY. 
Situated on the summit of a high, sharp hill, known locally as "The 
Pinnacle," about 2 miles northwest of Deerwalk post-office. Land 
owned by W. E. Whitlatch. 
Station mark: A stone post 36 by 6 by 6 inches, set 36 inches in the 
ground, in center of top of which is cemented a bronze triangulation 
tablet. 
Reference mark : The tall, black-walnut signal tree standing a little 
below summit on north side of hill. Distance to center of signal tree, 
40.85 feet, True azimuth to same, 250° 00'. 
[Latitude 39 16' 07.50 ". Longitude 81 21' 57.37".] 
To station 
Goff - 
Seffens - . 
Pinkerton 
Moore . _ . 
Griffith .. 
Azimuth. 
o / 11 
72 17 45.09 
112 47 04.89 
141 41 14.67 
204 43 50. 23 
230 06 12.40 
Back azimuth. 
/ 
252 10 
36 
52 
292 39 
17 
80 
321 34 
57 
99 
24 47 
56 
51 
50 lo 45 
31 
Meters. 
4.2319366 
4.2822967 I 
4.3601976 
4.3462483 
4. 1286309 
A round, cleared knob, owned by J. F. Wigal, 2 miles southwest of 
Eli post-office, 12 miles by road southwest of Parkersburg. An 
extended view can be had in all directions excepting southeast, which 
is limited to 4 or 5 miles by higher knobs. 
Station mark: A marble post 20 by 6 by 6 inches set 16 inches in a 
bed of concrete. In center of top of post is cemented a bronze trian- 
gulation tablet. 
[Latitude 39° 11' 10.43". Longitude 81° 40' 42.92".] 
To station — 
Azimuth. 
Back azimuth. 
Log. distance. 
Melhorn _ . . 
25 46 22.69 
110 58 02.69 
128 49 58. 11 
170 56 08.43 
249 45 17.54 
o / // 
205 43 32.53 
290 51 25.79 
308 45 37. 51 
350 54 54.61 
69 50 00.78 
Meters. 
4. 1734691 
Bond 
4. 2074866 
Lyons 
4. 1032825 
Nolan 
4. 2486674 
Goff 
4 0590737 
