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Start Over Subject Environment Year 1997 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Nighttime Lights of the World - Human Settlements, 1997

Datasets Stanford University Public content
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.

2. World Danger Points (VMAP0), 1997

Datasets Columbia University Restricted content
1997. National Imagery and Mapping Agency. World Danger Points is a point theme representing hydrographic hazards or dangers located throughout the world. Features in this layer have a FACC... National Imagery and Mapping Agency.