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1972
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1. Ross Ice Shelf: Antarctica
1972. Projection: Polar Stereographic Projection: Standard Parallel -71°; Series: USGS Sketch Maps.
2. Ross Island: Antarctica
1972. Projection: Lambert Conformal Conic Projection: Standard Parallels -76°40' and -79°20'; Series: USGS 1:250,000 Topographic Reconnaissance Series.