Sheet No. 4, Southern Portion, Irrigation Map of the San Joaquin Valley, California.
California State Engineering Department. Topographical And Irrigation Map Of The San Joaquin Valley. Sheet No. 4. Wm. Ham. Hall, State Engineer, 1886. Note. This Topographical and Irrigation Map of San Joaquin Valley is published in four sheets, as follows: Sheet No. 1, from Tp. 4 N. to 1st Standard South. Sheet No. 2, from 1st to 3d Standard South. Sheet No. 3, from 3d to 5th Standard South. Sheet No. 4, from 5th to 8th Standard South. It is intended as a general illustration of the present extent of irrigation, and a means of studying its future possible development ...
David RumseyCalifornia State Engineering Department
1886
1886
California State Engineering Department
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