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You searched for: Resource Type Topographic maps Remove constraint Resource Type: Topographic maps Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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11.

Assumption quadrangle, Illinois : 15 minute series (topographic) Maps maps university-of-illinois-urbana-champaign

1953. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1950. Topography by plane-table surveys 1945 and 1951-1952.;Includes quadrangle... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

12.

Beacon Valley: Antarctica Maps maps university-of-minnesota

1992. Projection: Lambert Conformal Conic Projection: Standard Parallels -76º40' and -79º20'; Series: USGS 1:50,000 Topographic Series. United States Geological Survey.

13.

Bear Peninsula: Antarctica Maps maps university-of-minnesota

1978. Projection: Lambert Conformal Conic Projection: Standard Parallels -72º40' and -75º20'; Series: USGS 1:250,000 Topographic Reconnaissance Series. United States Geological Survey.

14.

Beethoven Peninsula: Antarctica Maps maps university-of-minnesota

1989. Projection: Lambert Conformal Conic Projection: Standard Parallels -68º40' and -71º20'; Series: USGS 1:250,000 Topographic Reconnaissance Series. United States Geological Survey.

15.

Bement quadrangle, Illinois : 15 minute series (topographic) Maps maps university-of-illinois-urbana-champaign

1956. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1946 and 1953. Topography by plane-table surveys 1954-1955.;Relief shown by con... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

16.

Blaaso: Greenland Maps maps university-of-minnesota

1952. Projection: Transverse Mercator Projection; Series: AMS C501 Greenland 1:250,000 Topographic Series. National Geospatial-Intelligence Agency.

17.

Blackburn Nunatak: Antarctica Maps maps university-of-minnesota

1968. Projection: Polar Stereographic Projection: Standard Parallel -80º14'; Series: USGS 1:250,000 Topographic Reconnaissance Series. United States Geological Survey.

19.

Boyd Glacier: Antarctica Maps maps university-of-minnesota

1977. Wade; Cathey; Oldham. Projection: Lambert Conformal Conic Projection: Standard Parallels -76º40' and -79º20'; Series: USGS 1:250,000 Geologic Reconnaissance Series. United States Geological Survey.

20.

Boyd Glacier: Antarctica Maps maps university-of-minnesota

1973. Projection: Lambert Conformal Conic Projection - Standard Parallels -76º40' and -79º20'; Series: USGS 1:250,000 Topographic Reconnaissance Series. United States Geological Survey.