142 PRIMARY TRIANGULATION AND PRIMARY TRAVERSE. 
methods of field work and the small differences found did not war- 
rant the labor of the operation. 
In connection with the general scheme small areas were controlled 
by local triangulation at Goldneld and Bullfrog. 
A list of points and positions at check points is appended. 
BOUNDARY, INYO COUNTY, CAL. 
On highest of group of summits in lower Grapevine Mountains, about 
10 miles west of Rose's Well, on the Bullfrog-Las Vegas road 20 miles 
southwest of Bullfrog, 1 mile southeast of Chloride Cliff, and 5 miles 
from Keane Springs. Can be easily reached from any of above points 
with pack animals. 
Station mark: A bronze triangulation tablet in solid rock under 
center of a cairn 7 feet high. 
[Latitude 36° 41' 36.45". Longitude, 110° .51' 48.47".] 
To station 
Tin 
<;r;l|»'. . 
Bare 
Cane 
Furnace 
\/jmuth. 
111.' 17 55 
139 54 35 
I'll, 03 58 
26] L6 'Hi 
325 .').". 36 
Back azimuth. 
291 56 39 
319 44 18 
36 09 36 
81 40 4(i 
14(1 04 36 
Log. 
distance. 
Meters. 
4. 75(526 
4. 59098 
l.:<7. r )84 
4. 79303 
4. 00556 
DEATH. INYO COUNTY. CAL. 
Westernmost and highest of group of bare rounded summits south 
and east of Bullfrog-Ballarat wagon road. About 15 miles north 
of west of Furnace Creek ranch, 10 miles southwest of Salt Creek, 
and 10 miles northeast of Emigrant Spring, on wagon road justy 
mentioned. The peak is locally known as Tucki or Sheep Moun- 
tain. It is easily ascended by taking trail east over ridge 0.25 mile 
north of Emigrant Spring to divide toward Death Valley, thence 
northwest about 4 miles. 
Station mark: A bronze triangulation tablet cemented in block of 
stone 16 by 14 by 10 inches, under a small heap of stones and flag- 
staff 9 feet high. 
[Latitude 36° 30' 00.61". Longitude 117° 07' 47.28".] 
To station- 
Tin... 
Grape 
Bare. 
Azimuth. 
14") :,7 07 
178 03 :!7 
222 49 03 
Back azimuth. 
325 45 14 
358 02 . r >4 
43 04 13 
Log 
(lislMIK 
Meters. 
4.71493 
4.71331 
4. 744. r >4 
