Page 357 - 1915, Springs of CA.

MINOE PEEENNIAL SPEINGS. 337

edge of the meadow a spring that yielded about 10 gallons a minute
had been developed by a small cut in the granite slope.
The water of Black Lake Springs is apparently subsurface water
from the surrounding granitic slopes. It collects beneath the allu-
vium that fills the narrow lake basin and rises to the surface in the
numerous pools.
The following early analysis shows that when the sample was col-
lected the lake contained a concentrated primary alkaline water:

Analysis of water from Black Lake, Mono County, Cal.
[Analyst, Oscar Loew (1876). Authority, Wheeler report. Constituents are in parts per million.]
Properties of reaction:
28
0
0
72
0
Tertiary alkalinity .............................................................. (
By Reacting
Constituents. weight. values.
fiodinm (Na)...... .............. . .............. 7,224 314.2
375 9.6
Lithium (Li) ....................................................................... Trace. Trace.
Sulphate (SO*).. . ................................................................... 2,449 51.0
Chloride (Cl). . ...................................................................... 1,422 40.1
Traces.
Carbon i,te (CO3) .................................................................... 6,980 232.7
Trace.
Phosphate (PCM. ... . ............................................................... Trace. Trace.
Silica (SiO2)...... .................................................................. 50 1.7

BANNER SPUING (MONO 18).
In the plateau region that extends southwestward from Benton
there are a few small springs that are known to the Indian inhabitants
and to prospectors. Banner Spring is one that is situated near a
prospector's cabin 11 miles west of south from Benton. The water
issues from gravelly material at the western base of a hill slope and
in the fall of 1908 was piped to a watering trough near by, where it
supplied about 3 gallons a minute.
MORAN SPUING (MONO 19).
Moran Spring is 2 miles south of Banner Spring, at the place where
the road branches eastward to the Casa Diablo mines and westward
to Long Valley. The water seeps to the surface at the eastern end
of a small meadow. When it was visited there was no perceptible
flow, but water of good quality stood in several shallow holes that had
been dug. An Indian's cabin stood at the edge of a small cultivated
field near by. Both Banner and Moran springs are in granitic material
and the water seems to be essentially of surface origin.
35657 WSP 338 15 22