Page 334 - 1915, Springs of CA.

314 SPRINGS OF CALIFORNIA.

the structure of which is apparently adapted to carry and yield
water under artesian pressure. The artesian wells at Agua Caliente,
Fetters, and Boyes hot springs (Sonoma 18, 19, and 20, pp. 112-114)
also furnish evidence in support of the theory that the natural warm
springs are of artesian origin. Boyd Spring (Modoc 12, p. 124) has
characteristics which suggest that it is supplied by alluvial artesian
water, but the fact that all the other notable springs in Surprise
Valley are too hot to be of artesian origin favors the opinion that the
source of Boyd Spring also is deep-seated, its water rising along a
structural break.
The warm springs at south end of Surprise Valley (Modoc 18,
p. 124), like Boyd Spring, may possibly be supplied by alluvial artesian
water, but a more probable source is heated water that may rise along
a fault or structural break.

TORO SPRINGS (RIVERSIDE 14).
Near the northern end of Salton Sink in the Colorado Desert the
artesian water that underlies this portion of the desert rises to the
surface, forming several ucie*nagas" or marshy areas. The northern-
most of these ci6nagas that is worthy of note is at Toro Springs, on
the Toro Indian Eeservation, about 9 miles south of Indio. There
has been an Indian settlement at the springs for many years, and the
water has been used by the Indians to irrigate garden patches.
ALAMO BONITO SPRINGS (RIVERSIDE 15).
Alamo Bonito Springs are about 5 miles southwest of Mecca and 8
miles southeast of the Toro Springs, to which they are similar. The
name, which is Spanish and means "beautiful poplar," refers to the
trees that are numerous in the vicinity of the springs. Like Toro
Springs there has been an Indian settlement at them for many years.
AGUA DULCE SPRINGS (RIVERSIDE 16).
Agua Dulce (sweet water) Springs are- about 7 miles south of Mecca
and were close to the margin of Salton Sea at its highest stage in 1907.
Several springs in the group have long been used by the Indians.
They were formerly an important watering place on the road along
the western side of the desert, but within recent years their value
has been lessened by the fact that other supplies of water have been
obtained from a number of flowing wells in the neighborhood.

FIGTREE JOHNS SPRINGS (RIVERSIDE 17).
A small group of springs about 3 miles southeast of Agua Dulce
Springs has long been known by the name of an Indian, Figtree John,
who, with his family, has lived near the springs and cultivated a small
garden and orchard. In 1907 the springs were submerged to a depth