1. Kong Oscars Fjord: Greenland Maps University Of Minnesota Public content 1940. Series: AMS C521 Greenland 1:250,000 Topographic Series. National Geospatial-Intelligence Agency.
2. Ymers O: Greenland Maps University Of Minnesota Public content 1940. Series: AMS C521 Greenland 1:250,000 Topographic Series. National Geospatial-Intelligence Agency.