File:Pacific Gas and Electric magazine (1912) (14760963866).jpg

Identifier: pacificgaselectr41913paci (find matches)
Title: Pacific Gas and Electric magazine
Year: 1909 (1900s)
Authors: Pacific Gas and Electric Company
Subjects: Pacific Gas and Electric Company Electric utilities Public utilities
Publisher: (San Francisco, Calif.) : Pacific Gas and Electric Co.
Contributing Library: San Francisco Public Library
Digitizing Sponsor: San Francisco Public Library

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
the location andthe amount of rainfall, but with a little experi-ence in any locality this quantity can be easilydetermined. For instance, in the large val-leys of California the minimum depth to whichwater should be supplied to the land is for: Alfalfa 10 inches Sugar beets and corn 15 Grapes 15 Deciduous fruit 15 If the irrigation is to be carried on duringthe dry months, from February to August,the water to be delivered each hour per acrethroughout six months, would be for: Alfalfa 2z7 gals, per hour Sugar beets 114 Grapes 114 Deciduous fruit 114 From this the size of the pump and theactual cost when rate of current is known maybe readily calculated. In California, water is used economically,with few exceptions. In 1906 some alfalfaraisers under the Stony Creek Canal nearOrland, used from 5 to I 5 feet in depth ongravelly soil. When water was first used inModesto Irrigation District in 1904, thediversion from the Tuolumne in that yearwas sufficient to cover the area irrigated to a
Text Appearing After Image:
211

Note About Images