Search Results
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.
1974. This polygon shapefile contains ice observations in the Arctic region for April 1, 1974. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
1974. This polygon shapefile contains ice observations in the Arctic region for April 16, 1974. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1974. This polygon shapefile contains ice observations in the Arctic region for April 18, 1974. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1974. This polygon shapefile contains ice observations in the Arctic region for April 22, 1974. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1974. This polygon shapefile contains ice observations in the Arctic region for April 25, 1974. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1974. This polygon shapefile contains ice observations in the Arctic region for April 29, 1974. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1974. This polygon shapefile contains ice observations in the Arctic region for April 8, 1974. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
1974. This polygon shapefile contains ice observations in the Arctic region for August 1, 1974. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).