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 line shapefile depicts bodies of water, such as rivers, streams, creeks, channels, and sloughs, within the Elk River watershed in Humboldt Cou... California Geological Survey.
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1997. This layer contains the buildings that have been captured through various processes. The original data in this layer was captured during the 1997-...
1997. This layer contains contours that were derived from the digital terrain model made up of irregularly spaced mass points and break lines. The contou...
1997. "Fault" is one of four layers which collectively describe the subsurface geologic formation, structural geology and surficial deposits. "Fault" is...
1997. This layer contains the water features that were visible on the 1997 ortho photography. This contains streams, rivers, lakes, ponds, swamps, paved ...
1997. This layer contains the major transportation areas that have been captured through various processes. The original data in this layer was captured...
1997. This layer contains the sidewalk edges that have been captured through various processes. The original data in this layer was captured during the ...
1997. This layer contains spot elevations for land and water features. The land spots contain the elevation for that particular point on the ground. The ...