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1962. Powell, Susan and Navarro, Fernando. This point dataset represents the located boundary points from the 1962 Sino-Mongolian boundary treaty, as represented on a US Army Togographic Com... UC Berkeley Library.
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.
1962. Powell, Susan and Navarro, Fernando. This polygon dataset represents the zones of uncertainty between the Mongolian-claimed boundary and the Chinese-claimed boundary in December 1962, ... UC Berkeley Library.