198 PRIMARY TRIANGULATION AND PRIMARY TRAVERSE. 
quarries 3 miles nearly south of triangulation station, thence by 
wagon northward on Mesa Prieta to east foot of butte (100 feet below 
top), thence by pack mule to summit. 
Station mark: An aluminum bench-mark tablet in flat basalt roclj 
weighing several tons, about 20 feet southwest of highest rock on 
butte. 
Signal: A tripod about 16 feet high; above it a flagstaff. 
Reference marks: Cross cut on solid rock 10.4 feet south; cross cJ 
on solid rock 9 feet north. 
[Latitude 35° 08' 30.10". Longitude 106° 46' 16.00".] 
To station — 
Azimuth. 
Back azimuth. 
Log. | 
distance. I 
o / // 
3 51 15.25 
41 49 21.94 
296 27 47.22 
299 35 59.84 
350 50 36.00 
351 47 34.38 
183 50 17.86 
221 33 29.08 
116 32 50.76 
119 40 03.85 
170 52 18.00 
171 49 53.30 
Meters. 1 
1.57820761 
4. 802831 
4.174181 
1.0919B 
■}. L678S 
Tome 
4.635591 
( WII'WA. SOCORRO COUNTY. 
A rocky, bare hill about 5 miles a little east of south of Oarthags 
(Hilton Mines), about 10 miles southeast of San Antonio, on highest 
point of Sierra Campana. Wagon can be taken to point less than 
0.25 mile northeast of station. 
Station mark: A bronze triangulation tablet in solid rock, over 
which a tripod 7 feet high was erected. 
Reference marks: A 60-penny spike in crevice of rock south; two 
60-penny spikes driven in crevice of rock northwest. 
[Latitude 33° 50' 54.49". 1 
ongitudo 100° 42' 44.06".] 
To station — 
Azimuth. 
Back azimuth. 
Log. 
distance.! 
South base 
/ // 
69 04 55.35 
89 40 03.56 
101 27 03.61 
137 02 17.95 
174 58 28.65 
o / // 
248 58 54.27 
269 32 08.25 
281 21 43. 40 
316 53 54.81 
354 57 39.27 
Meters. J 
4. 252061 
4.341228 
4.178118 
4. 530058 
4. 412778 
Chupadera 
North base 
Socorro 
Canas 
CANAS, SOCORRO COUNTY. 
On north end of yellow ridge, about 10 miles due east of Rio Grand 
at Socorro, about 10 miles southeast of Publitos (Escondida crossin 
of river). It is about 1 mile from Chupadera (west) road, about 
miles southeast of Ojo de la Parida, 5 miles southeast of Ojo Meade 
and just south of road to cedar woods. 
Station mark: A bronze triangulation tablet set in solid rock, ove 
which is a tripod 12 feet high. Black and white band on signal. 
