128 PRIMARY TRIANGULATION AND PRIMARY TRAVERSE. 
CURTIS, YOLO COUNTY. 
On land of Al. Bummerly used as pasture, about 5 miles south of 
Dunnigan. A road leads from Dunnigan to the Curtis residence on 
the Bermmerly ranch, thence into the hills. Mr. Curtis or anyone at 
his ranch can give directions to station. It is probably the highest 
hill in the vicinity. 
Signal: A lumber quadripod about 14 feet high with white and 
black cloth on it. 
Station mark: An iron bench-mark post set in the ground under 
center of signal. 
[ Latitude 38° 49' 35.365". Longitude 121° 58' 33.517"}. 
To station- 
Azimuth. 
Back azimuth. 
Log. 
distance. 
o / // 
27 31 31.94 
48 55 33.57 
71 13 44.99 
144 15 51.00 
203 29 25.02 
216 43 44.96 
269 25 15.04 
288 28 00.44 
317 14 25.78 
o / // 
207 29 42.47 
228 53 01.05 
251 08 14.59 
324 14 16. 62 
23 31 29.38 
36 47 19.63 
89 29 43.21 
108 31 33.63 
137 17 40.13 
Meters. 
3. 9604774 
Roth 
3.8917122 
4. 1283771 
Gallup 
3.7931496 
4. 0782451 
4.1391498 
Blodgett . 
40136002 
Blacks 
3. 9371752 
4. 0427297 
DAVISVILLE, YC 
(Not OCC1 
)LO COUNTY. 
jpicd.) 
Station mark: Center of a very high eucalyptus tree with the limbs 
cut off within 15 feet of top, in the town of Davis. 
[ Latitude 38° 32' 35.496". Longitude 121° 44' 23.477".] 
To station— 
Azimuth. 
Back azimuth. 
Log. 
distance. 
Yolo southeast base. 
O / II 
72 30 06.54 
107 03 22.57 
/ // 
252 27 52.57 
286 58 25.53 
Meters. 
3.7373120 
Scott 
4. 0815727 
DUNNIGAN, YOLO COUNTY. 
(Not occupied.) 
Station mark : The spire on church in Dunnigan, a station on the 
Southern Pacific Railroad. 
[Latitude 38° 53' 12.688". 
Longitude 121° 58' 03.530".] 
To station- 
Azimuth. 
Back azimuth. 
Log. 
distance. 
Stevens 
o / // 
50 39 19.48 
69 07 14.38 
108 31 27.83 
239 59 58.43 
335 25 59.53 
230 33 30.05 
249 05 21.11 
288 23 01.06 
60 03 14.41 
155 28 55.21 
Meters. 
4. 2402921 
Gallup 
3. 66S0244 
Foothill 
4.3115246 
Smokestack 
3. 9384923 
Mesa 
4.2115660 
