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Author
- Digital Social Science Centaer, Columbia University Libraries11
- Kelso, Nathaniel Vaughn11
- National Climatic Data Center (U.S.)11
- Patterson, Tom11
- United States. National Environmental Satellite, Data, and Information Service11
- United States. National Oceanic and Atmospheric Administration.11
- Hart Energy Publishing10
- TomTom North America, Inc.8
- United States. Bureau of Transportation Statistics8
- National Atlas of the United States7
- TTG, Inc.4
- United States. Department of Housing and Urban Development4
- National Energy Information Center (U.S.)3
- United States. Bureau of the Census. Geography Division3
- Environmental Systems Research Institute (Redlands, Calif.)2
- Esri2
- Geological Survey (U.S.)2
- Rextag Strategies (Firm)2
- United States. Department of Transportation. Research and Innovative Technology Administration2
- Institute for Water Resources (U.S.). Navigation Data Center1