In July 2009, action by the Federal Bureau of Reclamation to protect threatened fish stopped irrigation pumping to parts of the California Central Valley causing canals leading into Huron, California and the surrounding areas and the farms that rely on them to lose their primary irrigation source. Unemployment has reached 40% in some areas as the farms have dried up.
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The Central Valley is a large, flat valley that dominates the central portion of the U.S. state of California. It is home to many of California's most productive agricultural efforts. The valley stretches approximately 400 miles (640 km) from north to south. Its northern half is referred to as the Sacramento Valley, and its southern half as the San Joaquin Valley.
http://en.wikipedia.org/wiki/California_Central_Valley
Map of California Central Valley
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