Page 351 - 1915, Springs of CA.

LARGE COLD SPRINGS. 331

at the riffles indicates that the discharge is about 56 second-feet
(29,000 gallons a minute). The water is cold (46°) and of very good
quality. It has been used to some extent for irrigating the meadow
and forms a tributary of North Fork of Feather River.

LARGE COLD SPRINGS ON BRANCH OF ROCK CREEK (PLTTMAS 7).
About 2 miles north of the springs in Big Meadows, springs of
much smaller flow issue 50 yards south of the road between Pratt-
ville and Susanville. The water rises in a marshy patch in a small
swale on the lava slope and forms a stream that discharges perhaps
1,000 gallons a minute. The water has not been used directly, but
it flows southward to Rock Creek and thence into Big Meadows,
where it irrigates a portion of the natural hay land.
LARGE COLD SPRINGS EAST OF ROCK CREEK (LASSEN 15).
About 3 miles northeast of the springs last described, or 2 miles
east of Rock Creek, are other large springs that issue at the western
side of a small escarpment in the basaltic lava and yield a stream
whose flow was estimated to be perhaps 20 second-feet (9,000 gallons
a minute). Like the other springs of this region, their water has not
been used directly, but it forms a tributary of Rock Creek.
LARGE COLD SPRINGS NORTHEAST OF AGER (SISKIYOTJ 6).
On the road to Klamath Hot Springs, in a small ravine at the base
of a butte of lava agglomerate about 9 miles northeast of Ager, cold
water issues at several places from the talus slope at the western
side of the butte and is collected in a ditch and used for irrigation.
Water from one of the springs is also piped several hundred yards
northward for domestic use at the home of the owner of the property.
The temperature of the springs is 47°, and their combined flow is
perhaps 1,400 gallons a minute.
LARGE COLD SPRINGS NEAR LITTLE SHASTA RIVER (SISKIYOU 10).
About 13 miles east of Montague, or 1 mile northeast of Table
Rock Spring (Siskiyou 9, p. 219), there is a cold spring which yields a
constant flow of about 6,300 gallons a minute (reported measurement,
700 miner's inches). It rises from slopes of basaltic lava that form
the mountains on the east side of Siiasta Valley. The water is used
in irrigating land near the spring, along Little Shasta River.
LARGE COLD SPRING EAST OF MONTAGUE (SISKIYOU 12).
A large spring that rises on Mrs. M. F. Martin's ranch, near the
southern base of Table Rock, 12 miles east of Montague, has been
mentioned in connection with Martin Soda Spring (Siskiyou 11, p. 219),