Front:
D-16
Coolidge Dam, Arizona
9A-H282
Back:
COOLIDGE DAM, ARIZ. is on U. S. 180
between Globe and Safford. Maximum height
above bed rock 260 ft. Crest length 560 ft.
over the three domes and two buttresses, and
each spillway is 150 ft. wide. The San Carlos
Lake formed by the dam has a storage capac-
ity of 1,200,000 acre-feet, sufficient water to
cover the 100,000 acres in San Carlos Irriga-
tion Project in Pinal County to a depth of 12
ft., four times the water required for one
year's need. Dam commenced Jan. 1927, com-
pleted Oct. 25, 1928. The reservoir when full
will extend up the Gila and San Carlos Rivers
for about 20 miles.
LOLLESGARD SPECIALTY CO., TUCSON, ARIZONA
