Background: Tulare Lake is an enormous lake dammed for the past 10-15,000 years by two large “alluvial fans” jutting out into the San Joaquin Valley (Figure 1). Before river diversion associated with modern irrigation practices, Tulare Lake was one of the largest freshwater lakes in North America. Currently it is mostly irrigated farmland.--Ancient Tulare Lake: Investigating Changes over the Past 15,000 Years
Adapted from CSUB Geology Department Lab developed by Dr. Rob Negrini
Dr. Negrini of CSU Bakersfield developed these course materials for middle and high school students. Presumably, many graduates of Bakersfield area secondary schools know that once, almost within living memory, most of Kings County was covered by a gigantic fresh-water lake, Tulare Lake. The present lack of subsidized irrigation water for subsidized cotton in Kings County would seem to be a problem man made in the 20th century.
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