1999. Department of Commerce, Census Bureau, Geography Division. U.S. 106th Congressional Districts represents political boundaries for the U.S. 106th Congressional Districts. Environmental Systems Research Institute, Inc. (ESRI).
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1999. National Atlas of the United States and the United States Geological Survey. U.S. National Atlas Airports represents airports in the United States, Puerto Rico, and U.S. Virgin Islands with airport passenger enplanements of ... Environmental Systems Research Institute, Inc. (ESRI).
1999. National Atlas of the United States and the United States Geological Survey. U.S. National Atlas Airports represents airports in the United States, Puerto Rico, and U.S. Virgin Islands with airport passenger enplanements of ... Environmental Systems Research Institute, Inc. (ESRI).
1999. On front: World map with languages by region. On verso: Alternative title: Cultures. 2 maps of world: The 1960s, Approaching the year 2000. Washington, D.C. : National Geographic Maps National Geographic Society, 1999.
15. World Lakes
1999. ESRI, Inc. Layer contains major lakes of the world, as well as shorelines. This includes inland seas, for example, the Caspian. Attribute data includes names,...
16. World Rivers
1999. ESRI, Inc. Layer contains major rivers of the world.
1999. World Wildlife Fund and Environmental Systems Research Institute, Inc. (ESRI). World Wildlife Fund Ecoregions represents global terrestrial and freshwater ecoregions defined as relatively large areas of land or water in the wo... Environmental Systems Research Institute, Inc. (ESRI).
18. wwf_eco
1999. World Wildlife Fund. World Wildlife Fund Ecoregions represent 24,944 defined global ecoregions. Ecoregions are defined as relatively large areas of land or water that s...