1997. Swithinbank, Williams, Ferrigno. Projection: Polar Stereographic Projection: Standard Parallel -71º; Series: USGS Geologic Investigations Series. United States Geological Survey.
Search Results
1997. National Geophysical and Solar-Terrestrial Data Center. This map shows light sources from human settlements around the world observed during 1997. The Defense Meteorological Satellite Program (DMSP) Oper... National Geophysical and Solar-Terrestrial Data Center.