1993. Southwick, Dave L. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), Archean rocks, bedrock outcrop (rock e... Minnesota Geological Survey.
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1993. Morey, G.B. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Minnesota, scale 1:3,000,000. Minnesota Geological Survey.
1993. Boerboom, Terrence J., Chandler, Val W., Green, John C., 1932-, and Miller, James D., Jr. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Doyle Lake and Finland quadrangl... Minnesota Geological Survey.
1993. Projection: Lambert Conformal Conic Projection: Standard Parallels -76º40' and -79º20'; Series: USGS 1:50,000 Topographic Series. United States Geological Survey.
1993. Hull, Dennis N. 1948-. Includes descriptive index to roadside geological features. Scale approximately 1:750,000. "Publication date: 5/93." by Dennis N. Hull. Panel title... Ohio. Division of Geological Survey.
1993. Hansen, Michael C. Scale not given. Panel title. by Michael C. Hansen. Text, satellite image of southern Ohio and 2 block diagrams. "Publication date: 8/93.". Ohio. Division of Geological Survey.
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, and 1994. Wisconsin Department of Natural Resources. This line data layer represents hydrography for Milwaukee County, Wisconsin in 1944-1994. The dataset was originally published by the Wisconsin Dep...
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, and 1994. Wisconsin Department of Natural Resources. This polygon data layer represents hydrography for Milwaukee County, Wisconsin in 1944-1994. The dataset was originally published by the Wisconsin ...
1993. United States. Soil Conservation Service. Jan. 1993. 66 x 51 centimeters Scale 1:100,000. Dept. of Agriculture, Soil Conservation Service (Washington.).
1993. Projection: Lambert Conformal Conic Projection: Standard Parallels -76º40' and -79º20'; Series: USGS 1:50,000 Topographic Series. United States Geological Survey.
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