411. E2-66-12: Antarctica
1956. Projection: Polar Stereographic Projection: Standard Parallel 71º; Series: USGS 1:500,000 Topographic Reconnaissance Series. United States Geological Survey.
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412. E2-66-7: Antarctica
1961. Projection: Polar Stereographic Projection: Standard Parallel 71º; Series: USGS 1:500,000 Topographic Reconnaissance Series. United States Geological Survey.
413. E2-66-8: Antarctica
1960. Projection: Polar Stereographic Projection: Standard Parallel 71º; Series: USGS 1:500,000 Topographic Reconnaissance Series. United States Geological Survey.
414. E2-66-9: Antarctica
1960. Projection: Polar Stereographic Projection: Standard Parallel 71º; Series: USGS 1:500,000 Topographic Reconnaissance Series. United States Geological Survey.
1952. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1939. Topography by plane-table surveys 1951."; (W 8... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1969. Projection: Lambert Conformal Conic Projection: Standard Parallels -68º40' and -71º20'; Series: USGS 1:250,000 Topographic Reconnaissance Series. United States Geological Survey.
1957. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1953. Topography by planetable surveys 1955-1956.;Contour interval 20 feet.;Rel... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1951. Geological Survey (U.S.). Contour interval 10 feet;"Culture and drainage in part compiled from aerial photographs taken 1938-1939. Topography by plane-table methods 1949-195... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1953. Geological Survey (U.S.). Contour interval 10 feet.;"Topography from aerial photographs by Kelsh plotter and by plane-table surveys 1952. Aerial photographs taken 1951";Reli... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1952. Projection: Transverse Mercator Projection; Series: AMS C501 Greenland 1:250,000 Topographic Series. National Geospatial-Intelligence Agency.