CALIFORNIA. 
1 83 
IMPERIAL, SAN DIEGO COUNTY. 
In the northwest, corner of the town of Imperial on perfectly flat 
ground about 300 yards northeast of the Large warehouse on west side 
of railroad and very near and south of the end of the " V " on the rail- 
road. 
Signal: A platform 20 feet high, with target L2 feet higher. 
Station mark: A standard bench-mark post set 40 inches in ground 
under center of target. 
[Latitude 32° 51' 10,83". Longitude 1 15° 55/ 44.72".] 
To station- 
Azimuth. 
Back azimuth. 
Log. distance. 
O 1 II 
o , 
M( k rs. 
Signal Mountain 
28 17 "7.61 
208 12 4". 40 
4. 462532S 
Luckv 
107 35 03.03 
287 29 23 11 
4 2319021 
Brawle v 
190 28 49.21 
10 29 41.16 
4. L350684 
Sunset 
251 12 04.37 
71 21 22.95 
4. 4509094 
Holtville 
289 20 01.32 
109 25 47.09 
4. 2451920 
JACUMBA, SAX DIEGO COUNTY. 
On the highest point of a high, rocky ridge about 7 miles north- 
northeast from Jacumba, a ranch and store owned by Mr. W. P. Foster 
on the road from Campo to Imperial. The mountain is on the east 
side of eJacumba Creek and about east from Teele Mountain, another 
high point on west side of same creek. From Jacumba horses can be 
ridden to foot of mountain, and there is a good trail about two-thirds 
of the distance. 
Station mark: A triangulation tabic 4 ! cemented in solid rock under 
center of a cairn 8 feet high. 
[Latitude 32° 41' 52.27". Longitude 116° 09' 50.39".] 
To station— 
Azimuth. 
Back azimuth. 
Log. distance. 
Tecate . 
o / // 
75 11 55.34 
77 20 55. OS 
125 28 20.44 
158 56 04. 52 
206 03 45. 76 
224 40 23. 63 
280 56 25.50 
o / // 
254 54 57. 26 
257 OS 16.09 
505 20 39.78 
55S 51 08.21 
26 09 05.51 
44 45 14.49 
101 11 09.41 
Meters. 
4.7069262 
Campo . . 
4.565,5149 
Laguna 
4. 45422! H 
Whale 
4. 5957727 
Eagle 
Coyote 
Signal Mountain 
4.5391935 
4. 2985400 
4. 65S4900 
LAGUNA, SAN DIEGO COUNTY. 
On probably the highest point in the Laguna range of mountains, 
near the headwaters of Cottonwood Creek. It can not be reached 
except on horseback, but animals can be easily ridden to it. The only 
