1968. Machamer, J.F. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of 18th level of Zenith Mine, scale 1 i... Minnesota Geological Survey.
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1968. Machamer, J.F. Geology cross section diagrams of Zenith Mine, scale 1 inch = about 100 feet. Minnesota Geological Survey.
1968. Map of Glaciation Movements prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scale 1:2... Wallace, McHarg, Roberts and Todd.
1968. Map of High Temperature Zones prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scale 1... Wallace, McHarg, Roberts and Todd.
1968. Map of Historical Landmarks prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scale 1:2... Wallace, McHarg, Roberts and Todd.
1968. Projection: Polar Stereographic Projection: Standard Parallel -71º; Series: USGS Sketch Maps. United States 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 ...
1968. Includes index to points of interest on recto and col. ill. on verso. Scale not given. Indiana Tourist Division.
1968. Guernsey, E. Y. Xerographic copy. Scale not given. E.Y. Guernsey.