San Francisco water . February. The figures(here totaled for all the above-mentionedreservoirs) show how rapid is the replenish-ment of storage following rainfall on water-sheds of such productivity as Spring Valleys. T .18 •97 •57 •36 million gallons [ (inc.) Jan. Feb. Rainfall in San Francisco inchesT .29• Replenishment Spring Valley Reservoirs million gallons 73-1 341-5 23- 24 Total ... in. 10, million gallonsNote: T indicates
San Francisco water . February. The figures(here totaled for all the above-mentionedreservoirs) show how rapid is the replenish-ment of storage following rainfall on water-sheds of such productivity as Spring Valleys. T .18 •97 •57 •36 million gallons [ (inc.) Jan. Feb. Rainfall in San Francisco inchesT .29• Replenishment Spring Valley Reservoirs million gallons 73-1 341-5 23- 24 Total ... in. 10, million gallonsNote: T indicates trace (less than .01 inch). The cover shows a barometer with thepressure at San Francisco on February 1. The Spring Valley Water Company main-tains barometers at the Head Office, Mill-brae, Sunol, and Calaveras. The Company is indebted to the UnitedStates Weather Bureau for its courtesy ingiving information when asked for, and tothe A. Lietz Company for the use of thebarometer shown on the cover of this Above: A general view of Calaveras Dam, showing on the left Observation Hill scarred and borrow-pitted by the excavation of material for the construction of the dam. The rock-facing designed toprevent sloughing of the earth is laid in a series of arches. Below: The outlet tower surmounting theshaft that houses the control gates. The causeway leads from a circle of formal architectural tower was styled in reminiscence of the Sunol Water Temple. SAN FRANCISCO WATER
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectwatersupply, bookyear
