226 PRIMARY TRIANGULATION AND PRIMARY TRAVERSE. 
[Latitude 31° 14' 32.06". Longitude 104° 45 / 52.42".] 
To station— 
Azimuth. 
Back azimuth. 
Log. distance. 
7 Heart 
o / // 
O / II 
Meters. 
4. 5101987 
4. 4784373 
Diablo . .. 
4. 1799165 
CHISPA, JEFF DAVIS COUNTY. 
Near El Paso County line, on the highest of the peaks, about 4 miles 
northwest of Chispa and 3 miles north of Williams's ranch. A wagon 
can be driven up the main draw from Williams's ranch to bottom 
of the peak on the south side, and pack animals can go from this point 
to within 200 feet of station. Nearest water is at Williams's ranch. 
Station mark: A cross mark cut deep in a large stone over which is 
centered a large rock monument. 
Reference marks: A bronze triangulation tablet cemented in the 
solid rock 9.3 feet distant; true azimuth, 129° 35'. A cross mark and 
the letters " U. S." cut deep in the rock, 10.8 feet distant; true 
azimuth, 359° L5'. 
[Latitude 30° 48' 07. 73". Longitude 104° 42 / 36.10".] 
I'o station— 
Azimuth. 
Back azimuth. 
Log. distance. 
Diablo 
C / II 
156 01 31.3 
L86 »)7 00 7 
211 15 38.0 
O / II 
335 55 12. 1 
6 09 39. 8 
31 24 20.5 
Meters. 
4. (5810032 
Delaware 
4. 8820127 
7 : Heart 
4. 7139576 
DIABLO, EL PASO COUNTY. 
On the highest south part of the Sierra Diablo, about 14 miles 
northwest from Vanhorn, about 12 miles northwest of Allamoore and 
2 miles north of the Hazel mine. Pack animals can be taken to sta- 
tion from the main canyon on southwest side by following a dim road 
from point 1.5 miles west of Hazel mine up canyon to a small spring; 
thence up a cow trail and old log- trail on east side ot canyon to top of 
ridge which projects southward from the station. Nearest water is in 
small spring. 
Station mark: A bronze triangulation tablet cemented in solid rock 
over which is built a rock monument 8 feet high. 
Reference marks: A cross mark and the letters " U. S." cut deep 
in the rock 10.6 feet distant; true azimuth, 76° 43'. Another cross 
mark cut in the rock 16.5 feet distant; true azimuth, 219° 43'. 
