Following the Great Depression, the Central Valley Project was established to provide a stable sources of water for irrigation. The Project plans encompassed thirty-five counties in an area about 500 miles long to 60 miles wide and was the largest water project to date. By this time, the landscape makes a reverse from islands of irrigated farmland to mostly irrigated farmlands, with large island blocks of natural lands.

The Image and description for this slide were taken from: Phillips, S.E., P.A. Kelly, and D.F. Williams. 2005. Landscape Change in the San Joaquin Valley of California. Pre-European Settlement to 2000.

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Slide # 6 of 61