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During 2010, the U.S. Geological Survey and other agencies made approximately 2,500 water-level measurements in the Mojave River and Morongo groundwater basins. These data document recent conditions and, when compared with previous data, changes in groundwater levels. A water-level contour map was drawn using data from about 610 wells, providing coverage for most of the basins. Twenty-eight hydrographs show long-term (up to 70 years) water-level conditions throughout the basins, and 9 short-term (1997 to 2010) hydrographs show the effects of recharge and discharge along the Mojave River. In addition, a water-level-change map was compiled to compare 2008 and 2010 water levels throughout the basins. (513 wells)


    map background search result map search result map 2010 Water-Table Contours of the Mojave River and the Morongo Groundwater Basins, San Bernardino County, California 2010 Water-Table Contours of the Mojave River and the Morongo Groundwater Basins, San Bernardino County, California