2008. U.S. Geological Survey. National Populated Places 2000 is a point theme representing cities in the United States, Puerto Rico and the U.S. Virgin Islands. These cities we... U.S. Geological Survey.
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2013. United States. Bureau of Transportation Statistics. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census...
2012. National Climatic Data Center (U.S.), United States. National Environmental Satellite, Data, and Information Service, United States. National Oceanic and Atmospheric Administration., and Digital Social Science Centaer, Columbia University Libraries. United States Afternoon Relative Humidity is a point theme representing the relative humidity as measured at weather stations throughout the United... Asheville, North Carloina.
2008. Federal Aviation Administration and Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS). United States Airport Runways, 2008 is line theme representing airport runways in the United States and US territories. Attributei information incl... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).
2011. United States. Bureau of Transportation Statistics and United States. Federal Aviation Administration. The Airport Runways database is a geographic dataset of runways in the United States and US territories containing information on the physical char...
2008. International Steering Committee for Global Mapping (ISCGM). United States Airports is a point theme representing airports and airfields in United States. This layer is a component of the Global Map, a 1:1,...
2008. National Atlas of the United States and the United States Geological Survey and ESRI. United States Airports is a point theme representing airports in the United States, Puerto Rico, U.S. Virgin Islands, and U.S. Possessions with air... ESRI.
2001. National Atlas of the United States and the United States Geological Survey and Environmental Systems Research Institute (Redlands, Calif.). United States Airports is a point theme representing airports in the United States, Puerto Rico, U.S. Virgin Islands, and U.S. Possessions with air... Esri.
2012. National Climatic Data Center (U.S.), United States. National Environmental Satellite, Data, and Information Service, United States. National Oceanic and Atmospheric Administration., and Digital Social Science Centaer, Columbia University Libraries. United States Average Percent of Possible Sunshine is a point theme representing the the percent of possible sunshine as measured at weather statio... Asheville, North Carloina.
2012. National Climatic Data Center (U.S.), United States. National Environmental Satellite, Data, and Information Service, United States. National Oceanic and Atmospheric Administration., and Digital Social Science Centaer, Columbia University Libraries. United States Average Snowfall is a point theme representing average snowfall (including ice pellets and sleet) in inches as measured at weather st... Asheville, North Carloina.