112 PRIMARY TRIANGULATION AND PRIMARY TRAVERSE, [bull, 301. 
[Latitude 46° 58' 53.82". Longitude 112° 16' 47.53".] 
To station— 
Azimuth. Back azimuth. Log. distance. 
Nevada 
Stonewall 
Scapegoat 
Dearborn 
Hilger 
Scratchgravel 
40 59 57. 79 
113 46 08.85 
131 38 20.00 
148 42 31.19 
311 07 31.60 
335 56 46. 55 
220 48 24.96 
293 26 03.02 
311 14 35.51 
328 30 21.50 
131 22 47. 89 
156 05 22.86 
Meters. 
4. 4870990 
4. 5791777 
4. 7436966 
4. 6050259 
4. 5485050 
4.5671950 
MOUNT HELENA, LEWIS AND CLARKE COUNTY. 
Station is on summit of high peak a mile west of the city of Helena. 
Station mark: A bronze bench-mark tablet cemented in rock in 
place, stamped 5458 feet. 
[Latitude 46° 35' 22.58". Longitude 112 03' 50.63".] 
To station- 
Azimuth. 
Back azimuth. 
Log. distance. 
West Base . - 
o / // 
243 37 23.58 
268 11 59.17 
320 44 46. 71 
63 39 09.(57 
88 17 23.38 
140 46 34.00 
Meters. 
3. 5402121 
East Base 
3. 9779385 
Lenox . 
3. 6960486 
PENTAGON, ON LINE BETWEEN LEWIS AND CLARKE AND DEER 
LODGE COUNTIES. 
A high peak on Continental Divide, approximately 25 miles (air 
line) southwest of Raymond post-office. The drainage on the north, 
west, and sonlh is to the Middle Fork of Flathead River; that to the 
southeast is to North Fork of Sun River. The base of the peak has 
somewhat the shape of a pentagon, whence the name. Southeast of 
peak is a small lake and food where good camp is afforded. From 
here the ascent is comparatively easy, a climb of about 2,000 feet. 
Station mark : A copper bolt set in solid rock. 
Reference mark : A cairn 7 foot high, 12.3 feet north of slat ion mark. 
[Latitude 47° 55' 44.33". Longitude 113° 07' 23.82".] 
To station- 
Cliff _... 
Silvertip _ 
Gildart ... 
Baptiste . . . 
Elk 
Half Dome 
Rocky 
Azimuth. 
37 51.06 
30 51 22.22 
76 49 23.37 
120 35 13.88 
162 04 08. 01 
184 57 09.25 
297 40 04.06 
Back azimuth. Log. distance. 
180 37 39.31 
210 45 44.39 
256 25 17.58 
300 12 30.27 
341 56 23.93 
4 59 08.68 
117 54 29.90 
Meters. 
4. 4782543 
4. 2669682 
4.6193167 
4. 6439957 
4. 6206030 
4. 5834950 
4.4381328 
