1989. Projection: Polar Stereographic Projection: Standard Parallel -80º14'; Series: USGS 1:250,000 Topographic Reconnaissance Series. United States Geological Survey.
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1997. Projection: Lambert Conformal Conic Projection: Standard Parallels -76º40' and -79º20'; Series: USGS 1:50,000 Topographic Series. United States Geological Survey.
1997. Projection: Lambert Conformal Conic Projection: Standard Parallels -76º40' and -79º20'; Series: USGS 1:50,000 Topographic Series. United States Geological Survey.
1963. Projection: Polar Stereographic Projection: Standard Parallel -80º14'; Series: USGS 1:250,000 Topographic Reconnaissance Series. United States Geological Survey.
1969. Projection: Polar Stereographic Projection: Standard Parallel -80º14'; Series: USGS 1:250,000 Topographic Reconnaissance Series. United States Geological Survey.
1993. Projection: Polar Stereographic Projection: Standard Parallel -71º; Series: USGS Sketch Maps. United States Geological Survey.
1978. Projection: WGS72 Mercator Projection; Series: Defense Mapping Agency Nautical Charts. National Geospatial-Intelligence Agency.
1962. Projection: WGS72 Mercator Projection; Series: Defense Mapping Agency Nautical Charts. National Geospatial-Intelligence Agency.
1977. Projection: Lambert Conformal Conic Projection: Standard Parallels -72º40' and -75º20' Lambert Conformal Conic Projection: Standard Parallels -72º4... United States Geological Survey.
1971. Projection: WGS72 Mercator Projection; Series: United States Navy Antarctic Nautical Charts. Naval Oceanographic Office.