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Start Over Year 1975 Resource Type Polygon data Format Shapefile
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, 2000, 2001, 2002, 2003, 2004, and 2005. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This polygon shapefile depicts active and dormant landslides within the Elk River watershed in Humboldt County, California. This layer does not inc... California Geological Survey.
1936, 1937, 1938, 1939, 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. This polygon shapefile depicts active landslides (see "Landslide Features (Points): Albion River Watershed, California, 1984-2002" shapefile for la... California Geological Survey.
1975. This polygon shapefile contains ice observations in the Arctic region for April 14, 1975. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for April 17, 1975. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for April 21, 1975. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for April 24, 1975. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for April 28, 1975. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for April 3, 1975. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for April 30, 1975. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for April 7, 1975. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).