. Water Supply and Irrigation Papers of the United States Geological Survey . f concrete incasing pipe, at $8 1, 600 Valves, gates, and hoist 1. 400 6,500 Wasteway 2,000 Supply canal from Cold Creek, complete 1, 500 Damage to land and improvements 20,000 Engineering. _ Contingencies, 10 per cent 7. 886 Total SO. 746 The cost per acre-foot stored is iThirteenth Ann. Rept. U. S. Geol. Survey, Pt. III. 56 WATER STORAGE IN THE TRUCKEE BASIN. [no. 68. INDEPENDENCE LAKE. Independence Lake (see contour map, fig. 9) is almost an exactcounterpart of Donner Lake, of glacial origin, immedia
. Water Supply and Irrigation Papers of the United States Geological Survey . f concrete incasing pipe, at $8 1, 600 Valves, gates, and hoist 1. 400 6,500 Wasteway 2,000 Supply canal from Cold Creek, complete 1, 500 Damage to land and improvements 20,000 Engineering. _ Contingencies, 10 per cent 7. 886 Total SO. 746 The cost per acre-foot stored is iThirteenth Ann. Rept. U. S. Geol. Survey, Pt. III. 56 WATER STORAGE IN THE TRUCKEE BASIN. [no. 68. INDEPENDENCE LAKE. Independence Lake (see contour map, fig. 9) is almost an exactcounterpart of Donner Lake, of glacial origin, immediately underthe Sierras crest, and held lengthwise between high, precipitousspurs projecting at right angles to it. The natural dam betweenthese spurs, which forms the lake, is an old terminal moraine, but isnot so plainly defined as that proposed to be utilized in forming theDonner Lake reservoir. It lies 9 miles, in a direct line, a little west,of north from the latter lake. Its ordinary water surface is about2i miles in length, somewhat less than a half mile in width, and. Fig. 9.—Contour map of Independence Lake reservoir site. The site occupies portions of , 34, and 35 in T. 19 N„ R. 15 E., and sees. 3, 4, 5, 8, and 9 in T. 18 N, R. 15 E., M. D. M. covers an area of 709 acres. It is about 7,000 feet above sea waters escape through Independence Creek, flow northward, andbecome tributary to the Little Truckee, a main branch of TruckeeRiver. A survey for a storage reservoir was made at this site in dam section was chosen at a narrow part of the valley, 1,800feet beyond the end of the lake, where the bed of the outlet creek is12 feet below the reference water plane. (See fig. 10.) The marginof the lake and a contour 25 feet above were meandered, and a num-ber of cross sections of the valley were measured, supplying the data 1 Eleventh Ann. Rept. U. S. Geol. Survey, Pt. II. TAYLOR.] INDEPENDENCE LAKE. 57 from which the area and capacity of the reser
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