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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.
1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, and 2000. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This raster dataset contains topographic hillshade for the Elk River watershed in Humboldt County, California. This dataset is the product of the D... California Geological Survey.
2009. World Wildlife Fund (WWF). This drainage direction map for North America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.
2009. World Wildlife Fund (WWF). This drainage direction map for North America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.
2009. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
2009. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
2009. World Wildlife Fund. This river network (stream lines) map for North America is derived from the flow direction map for North America. The flow accumulation map for Nor... Geological Survey (U.S.).