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Boundaries
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United States
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Polygon
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51. Freight Analysis Framework Regions: United States and Territories, 2013
2013. Strocko, Ed and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States freight analysis framework (FAF) regions. FAF domestic region level datasets and products provide inf... United States. Bureau of Transportation Statistics.
52. Level III Ecoregions, Arizona, 2013
2013. US Environmental Protection Agency. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to... U.S. EPA Office of Research & Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL).
53. Level IV Ecoregions, Arizona, 2013
2013. US Environmental Protection Agency. Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the typ... U.S. EPA Office of Research and Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL).
54. Metropolitan and Micropolitan Statistical Areas: United States and Territories, 2013
2013. United States. Bureau of the Census. Geography Division and United States. Bureau of Transportation Statistics. This polygon shapefile contains areas of metroplitan and micropolitan statistics extracted from the United States Census MAF/TIGER Database (MTDB).... United States. Bureau of Transportation Statistics.
55. United States Census Block Groups, 2013
2013. Tele Atlas (Firm : U.S.) and Environmental Systems Research Institute (Redlands, Calif.). U.S. Census Block Groups represents the U.S. Census block groups of the United States in the 50 states, the District of Columbia, and Puerto Rico. ... Environmental Systems Research Institute (Redlands, Calif.).
56. United States Census Urbanized Areas, 2010
2013. U.S. Census Bureau. Geography Division and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents the 2010 Census urban areas in the United States. An urban area comprises a densely settled core of census tracts... Environmental Systems Research Institute (Redlands, Calif.).
57. Urbanized Areas: United States and Territories, 2013
2013. United States. Bureau of Transportation Statistics and United States. Bureau of the Census. Geography Division. This polygon shapefile contains areas of urban land extracted from the United States Census Bureau's MAF/TIGER Database (MTDB). The MTDB represents... United States. Bureau of Transportation Statistics.
58. U.S. Census Urban Areas, 2013
2013. U.S. Department of Commerce, Census Bureau, Geography Division and Esri. U.S. Census Urban Areas represents the 2010 Census urban areas in the United States. An urban area comprises a densely settled core of census tract... Esri.
59. ZIP Code Boundaries, United States (Q3 2013)
2013. TTG, Inc. This polygon shapefile contains zip code boundaries for the United States. Data are valid from July to September, 2013. Attributes included in the ... TTG, Inc.
60. ZIP Code Boundaries, United States (Q4 2013)
2013. TTG, Inc. This polygon shapefile contains zip code boundaries for the United States. Data are valid from October to December, 2013. Attributes included in th... TTG, Inc.