188 
PRIMARY TRI ANGULATION AND PRIMARY TRAVERSE. 
Reference marks: One in line to Cuyamaca, distant 3.77 feet; one ii 
line to Lion's Head, distant 4.14 feet; one in line to San Miguel, (lis 
tant 9.81 feet. 
[United States standard. Latitude 32° 34 / 45.99". Longitude 116° 41' 18.06".] 
To station- 
San Miguel 
Cuyamaca . 
Laguna 
( !ampo 
Jacumba . . 
Azimuth. 
o / // 
119 15 52.1 
190 40 09.9 
222 59 37. 41 
249 28 18.54 
254 54 57. 26 
Back azimuth. 
299 07 51.4 
10 42 49.8 
43 08 57. 56 
69 32 57. 82 
75 11 55.34 
Log. distance 
Meters 
4. 425106. 
4.617669 
4. 596952 
4. 15924(1 
4. 706926 
WHALE. SAX I)IE<;<> COUNTY. 
On the highest point of a high rocky ridge north-northeast fron 
the old Vallicita stage station, on road from Julian to Yuma, and 2 j 
miles from Julian. The point is about 5 miles straight from stagi 
station, and summit is covered with bowlders and small trees. Horse 
can be ridden up the "wash" to foot of mountain. From this poin 
to summit it is both steep and rough. There is very fair water at th 
old stage station, but no forage closer than Julian. 
Station mark: A t liangulation tablet cemented in solid rock unde 
center of a cairn 6 feet high. 
[ Latitude 33° OP 46.23". Longitude 116° is' 50.44".] 
To station— 
Azimuth. 
Back azimuth. 
Log. distance 
Laguna 
( ■uvainacji 
O / II 
20 40 07. 76 
71 25 40. 89 
280 53 55. 40 
3,08 44 08. 24 
338 51 OS. 21 
o / // 
200 37 21.91 
251 10 11.3:; 
101 04 11.80 
12S 53 57.23 
158 56 04.52 
Meters. 
4.351724 
4. 457356 
Eagle 
4.470023 
( !oy< >te 
4. 557SS6 
Jacumba 
4. 595772 
COLORADO. 
SECONDARY TRIANGULATION STATIONS. 
(LEAR CREEK AND GILPIN COUNTIES. 
CENTRAL CITY, IDAHO SPRINGS, AM) SILVER PLUME SPECIAL QUADRANGLES. 
During the season of 1904: Mr. Frank Tweedy, topographer, locate 
36 secondary triangulation points for the control of the three speck 
quadrangles mentioned above. 
Positions are based upon Central, Democrat, Grindal, and Kingsto 
United States standard datum. 
