130 PRIMAEY TRIANGULATION AND PRIMARY TRAVERSE, [bull. 201. 
ARIZONA-NEW MEXICO. 
TRIANGULATION STATIONS. 
Arizona. 
Triangulation in south-central Arizona was extended eastward from 
stations Black Hawk, Blair, and Coal "by Thomas Winsor and Jeremiah 
Ahem during the season of 1900, and extended still farther eastward 
into New Mexico by R. H. Chapman, topographer, during November 
and December, 1901. Three 30-minute quadrangles in Arizona and 
two in New Mexico were controlled by fifteen stations. A check azi- 
muth was observed near Morenci. 
Geographic locution of points in vicinity of Globe, Ariz. 
Name of mine. 
Point located. 
Latitude. 
Longitude. 
Hoosier . . 
Old Dominion shaft 
Gray Hoist 
Gray Incline 
Copper Hill 
Cuprite mine 
Globe Public School 
MINE LOCATIONS. 
Hoisting rope 
Hoisting rope - 
Hoisting rope 
Hoisting rope 
Hoisting rope 
Hoisting rope 
Flag pole in yard of pub- 
lic school. 
33 24 54.22 
33 24 37.54 
33 25 04.62 
33 25 07.86 
33 25 21.81 
33 25 11.86 
33 23 47.30 
O 1 II 
110 40 5:5. 59 
110 47 23.44 
110 46 41.99 
110 46 38.88 
110 46 29.61 
110 46 34.99 
110 47 27.92 
CENTEB STATION, <ULA COUNTY. 
About 2.00 feci soul li west of summit of ridge extending in a north- 
cast direction from the Buffalo mine, about 1,800 feet from Buffalo 
mine and about 1,900 feet from the Gra} 7 mine. 
Station mark: A bronze tablet cemented in rock in place. 
Latitude 33° 25' 14.60". Longitude 110° 47' 00.04". 
NORTH EAST STATION. GILA COUNTY. 
Summit of highest hill, about nine-tenths mile southeast, of Black 
Hawk triangulation station. 
Station mark: A bronze tablet cemented in rock in place. 
Latitude 33° 25' 30.09". Longitude 110° 45' 29.39". 
NATANES, GILA COUNTY. 
Situated on summit of cone-shaped butte of same name about 40 
miles northeast of San Carlos, one-third mile west of trail to Fort 
Apache, 4 miles south of Black River, and 4 miles northeast of horse 
camp and corral of Chiricahua Cattle Company. 
Station mark: A bronze triangulation tablet cemented in point of 
