Page 61 - 1915, Springs of CA.

HOT SPRINGS. 57
deer hunters, but as it is about 17 miles by trail beyond the southern
end of the wagon road it is not often visited.
The formation exposed along the bluffs is of slates that have been
described by Fairbanks 1 as being probably of Jurassic age. They
are overlain by 30 or 40 feet of gravel that is deposited on an ocean
terrace along this portion of the coast. The heated water apparently
emerges at the base of the gravel, though small warm flows also issue
from the slate, close to the surf. It is said that when garden land on
the terrace back of the springs has been irrigated for several weeks
by a mountain stream the seepage water has so reduced the temper-
ature of the hot springs that they are only tepid.

DOLANS HOT SPRING (MONTEREY 5).
A warm and mildly sulphureted spring exists on North Fork of
Big Creek, about 1| miles from the ocean and 7 miles by trail south
of Slates Hot Springs (Monterey 4, p. 56). The water issues in a
deep portion of the canyon, which is heavily timbered with redwoods,
and as the place is known only locally and is not easily accessible,
the spring has not been made use of and has been seldom visited.

HOT SPRINGS ON NORTH FORK OF LITTLE STTR RIVER (MONTEREY 1).
Several thermal springs rise in the bed and along the banks of
North Fork of Little Sur Kiver, about 2 miles above the point at
which the stage road crosses the stream. The springs in the stream
bed form a warm pool, and on its right bank two or three flows, having
a maximum temperature of 114°, issue from crevices in the rock and
fill a small natural basin. The springs are in a narrow, rugged section
of the canyon, in a granitic area, and possibly rise along fractures
that have been produced by local faulting. The water is mildly
sulphureted but it is not otherwise noticeably mineralized. A con-
siderable amount of fibrous algous growth, from white to reddish
purple in color, is found in the stream and the adjacent pools.
During the nineties the water was piped to a grove of redwoods
in a flat some distance below the springs, and it was the intention
to build a hotel and bathhouse. High water washed out the pipe
line, however, and in 1908 the attempt to develop the springs had
not been renewed.

TASSAJARA HOT SPRINGS (MONTEREY 3).
A large amount of hot water issues at Tassajara Hot Springs, which
are in the canyon of Arroyo Seco, in the southern part of Monterey
County. About 17 thermal springs may be counted here, in the bed
1 Fairbanks, H. W., Stratigraphy at Slates Springs, with some further notes on the relation of the Golden
Gate series to the Knoxville: Am. Geologist, vol. 18, pp. 350-356,1896.