220 
PRIMARY TRIANGULATIOK AND PRIMARY TRAVERSE. 
NUMBER 27, BUTTE COUNTY. 
In section 27, T. 10 N., R. 4 E., on the farthest south and east of 
two round hills, lying about 2 miles northeast of the bridge across 
Indian Creek and 9 miles north and 12 miles east of Belle Fourche. 
Signal: A lumber tripod, 12 feet high, with targets. 
Station mark: An iron bench-mark post, marked U A" and set 3 feet 
in the ground. 
[Latitude 44° 47' 48.24". Longitude 103° 36' 11.75*.] 
To station 
Castle Rock . . 
Dry(2) 
Badlands 
Double 
Schoolhouse . 
May 
Horse 
Sheep Ranch 
Azimuth. 
Back azimuth. 
Log. distance. 
O / II 
O / II 
Meters. 
207 18 17 
27 24 53 
4. 42777 
268 00 01 
88 08 16 
4. 18881 
116 Hi 30 
296 07 48 
4. 25864 
307 43 09 
127 49 21 
4. 16753 
118 36 41 
298 34 47 
3.60708 
15 45 50 
195 44 00 
4.10181 
323 36 39 
143 39 41 
3.98156 
87 49 50 
267 12 54 
4.11368 
OWL BUTTE, BUTTE COUNTY. 
A lone, bare butte in open prairie about 35 miles northeast of 
Sturgis, on divide east of Willow Creek. Station is near the center 
of summit. 
Station mark: A bronze triangulation tablet cemented in rock in 
place. 
[Latitude 44° 48' 20.27 // . Longitude 103° 13' 05.18".] 
To station- 
Bear Butte 
Susie Peak . 
Castle Rock 
Fourmile . . 
Hogback . . 
Edwards . . 
Willow.... 
Morison . . . 
Miller 
Shyket 
1 )ry 
Doody 
Dry (2).... 
Castle Rock 
Azimuth. 
Back azimuth. 
Log. distance. 
O 1 II 
o / // 
.V' ters. 
£3 36 51. 15 
203 28 22. 65 
4.6012777 
7«< 32 16.68 
259 10 20. 70 
4.6212654 
141 36 30. 14 
321 26 47. 25 
4.4640921 
357 08 06.00 
177 08 35.00 
4. 25837 
358 11 24.00 
178 11 30.00 
3. 79040 
4 51 22.00 
! 84 50 46. 00 
4. 1 1865 
42 29 27. 00 
222 25 14.00 
4. 06756 
59 04 33.00 
239 01 43.00 
3.79144 
63 37 24. 00 
243 23 35.00 
4. 46155 
67 15 53.00 
246 59 18. 00 
4. 52838 
73 42 32.00 
253 35 53. 00 
4. 11312 
78 27 53. 00 
258 14 52.00 
4. 395S4 
88 16 50. 00 
268 08 48. 00 
4. 1 7739 
141 36 30. 00 
321 26 47. 00 
4.464092] 
