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2011, 2012, 2013, and 2014. California. Department of Water Resources. This line shapefile represents changes in groundwater levels in California. These data represent groundwater changes between spring 2011 and spring... California. Department of Water Resources.
2011, 2012, 2013, 2014, 2015, and 2016. California. Department of Water Resources. This line shapefile represents changes in groundwater levels in California. These data represent groundwater changes between spring 2011 and spring... California. Department of Water Resources.
2012, 2013, 2014, and 2015. California. Department of Water Resources. This line shapefile represents changes in groundwater levels in California. These data represent groundwater changes between spring 2012 and spring... California. Department of Water Resources.
2013 and 2014. California. Department of Water Resources. This line shapefile represents changes in groundwater levels in California. These data represent groundwater changes between spring 2013 and spring... California. Department of Water Resources.
2013, 2014, 2015, and 2016. California. Department of Water Resources. This line shapefile represents changes in groundwater levels in California. These data represent groundwater changes between spring 2013 and spring... California. Department of Water Resources.
2014 and 2015. California. Department of Water Resources. This line shapefile represents changes in groundwater levels in California. These data represent groundwater changes between spring 2014 and spring... California. Department of Water Resources.
2015 and 2016. California. Department of Water Resources. This line shapefile represents changes in groundwater levels in California. These data represent groundwater changes between spring 2015 and spring... California. Department of Water Resources.
2007, 2008, 2009, and 2010. Johnson, Samuel Y., Hartwell, Stephen R., and Cochrane, Guy R. This line shapefile contains isopachs (contour lines of equal thickness) at 2.5 and 10 meter intervals for the area within the 3-nautical mile limi... Geological Survey (U.S.).
2009. Watt, Janet T., Hartwell, Stephen R., Johnson, Samuel Y., Sliter, Ray W., and Pacific Coastal and Marine Science Center. This line shapefile contains isopachs (contour lines of equal thickness) for the areas within the 3-nautical mile limit between Salt Point and Drak... Geological Survey (U.S.).
2007, 2008, and 2009. Wong, Florence L., Johnson, Samuel Y., Phillips, Eleyne L., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This line shapefile contains isopachs (contour lines of equal thickness) at 2.5 meter intervals for the areas within the 3-nautical mile limit arou... Geological Survey (U.S.).