172 PRIMARY TRIANGULATION AND PRIMARY TRAVERSE, [bull.216 
[Latitude 33° 32' 22.76". Longitude 114° 32' 03.56".] 
To station- 
Blythe 
Ehrenberg 
Hodges 
Azimuth. 
124 35 06.88 
210 06*45.51 
Back azimuth. Log. distance 
304 30 10.88 
30 08 13.06 
Meters. 
4. 2241C 
3. 91042 
4. 30722 
NO. 15, YUMA COUNTY. 
(Not occupied.) 
On the edge of a white bluff, about 15 miles below Ehrenberg, and 
is the second bluff which comes close to water of Colorado River below 
Ehrenberg. The river strikes this bluff about 1 mile above station 
and keeps close to bluff, with here and there a narrow strip of bottom 
between bluff and water, until at the point station is on bluff recedes 
from the river and river bottom begins to widen. There is about (JO 
or 70 yards of bottom between river and bluff, which signal is on 
The road from Ehrenberg down the river i>asses about 2 miles east of 
station. 
Station mark: A bronze triangulation cemented in rock ami placed 
in ground level with surface under center of signal. 
[Latitude 33° 28' 44.37". Longitude 114° 36' 01.27".] 
To station 
Azimuth. Back azimuth. Log. distance. 
Hodges 
Mulewash . 
Ehrenberg 
Blythe 
94 31 26.51 
317 28 58.40 
274 26 41.34 
137 30 09.72 
Meters. 
4. 12665 
3.69402 
4. 23409 
4. 25407 
NO. 10, YUMA COUNTY. 
(Not occupied.) 
On point of bluff where mesa breaks off to the Colorado River, about 
20 miles below Ehrenberg, and is 300 yards from water's edge. The 
road from Ehrenberg to Picacho, on the Arizona side of river, passes 
between the river and station and is about 200 yards distant at the 
nearest point. The bluff on which station is located overlooks a big 
wash and forms the south bank of it. This is the same wash which 
passes on the south side of Mulewash station and is the first big wash 
the road crosses below Mulewash. 
