TRIANGULATION. 
33 
Northern Pacific Railway. It can be easily reached by trail from 
T. Trumbull's ranch. 
Station mark : A copper bolt sunk in solid rock, above which is a 
cairn 5 feet in diameter and 5 feet in height. 
[Latitude, 48° 07' 07". 09. Longitude, 116 31 13 '.03. ] 
1 
To station- 
Azimuth. Back azimuth. 
1 
Log. distance. 
Chilco 
o > // 
1 53 09. 56 
32 38 06. 17 
63 50 44.00 
228 10 27. 76 
256 22 33. 71 
o , „ 
181 52 39. 78 
212 17 12.70 
243 24 10.63 
48 22 33. 96 
76 42 07.01 
Mi U 
4.40'J!i::n:; 
4.8158528 
4. 6954456 
4.4305996 
4.5346835 
Skalan ... 
Carlton 
Round Top 
Scotchman 
CHILCO, KOOTENAI COUNTY, IDAHO. 
Location of station: On the south end of grassy summit south of 
the steam boat landing on Lake Pend Oreille. It can be easily reached 
from Collins's ranch by Leiberg trail. 
Station mark: A copper bolt sunk in solid rock, above which is a 
rock cairn 5 feet in diameter at base and 5 feet in height. 
[Latitude, 47° 53' 28".75. Longitude, 116° 31' 53".09/ 
To station— 
Azimuth. 
Back azimuth. 
Log. distance. 
o ' II 
' II 
Meters. 
Skalan . . 
49 06 20. 29 
228 45 58. 75 
4.6587752 
Carlton 
94 27 33.97 
181 52 39.78 
274 01 32.58 
1 53 09.56 
4. 641 <;:>::, 
4. 1029303 
Blacktail 
Round Top 
205 48 07.02 
26 00 41 . 7:> 
t. 6816159 
Scotchman 
225 10 00. 98 
257 25 15.62 
45 30 01.97 
77 47 46.64 
t. 6724527 
4.5875062 
Divide 
SCOTCHMAN, KOOTENAI COUNTY, IDAHO. 
Location of station: On the southwestern of three summits, about 
a mile west of the Idaho-Montana boundary I ine and 6 miles north- 
east of Clark Fork, a station on the Northern Pacific Railway. Ii 
can be reached from Lightning Creek by an old Indian trail— a 
roundabout way, though the easiest one. 
Station mark: A copper bolt in solid rock, above which is a rocfc 
cairn 5 feet in diameter and 5 feet in height. 
Bull. 170 3 
