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21. United States Hydrographic Polygons, 2013

2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, and United States. Bureau of the Census. The hydro polygon/arc coverages were created using TIGER/LINE 2000 shapefile data gathered from ESRI's Geography Network. The individual county hyd... U.S. Bureau of the Census (BOC).

22. United States Metropolitan Planning Organizations, 2103

2011. United States. Bureau of Transportation Statistics, Federal Highway Administration, and Research and Innovative Technology Administration's Bureau of Transportation Statistics. The United States Metropolitan Planning Organization database is a geographic database of Metropolitan Planning Organization political boundaries.

23. United States Military Installations, 2103

2011. United States. Bureau of Transportation Statistics. The dataset depicts the authoritative boundaries of the most commonly known Department of Defense (DoD) sites, installations, ranges, and training ...

24. United States National Bridge Inventory, 2013

2011. United States. Bureau of Transportation Statistics and United States. Federal Highway Administration. The NBI is a collection of information (database) describing the more than 600,000 of the Nation's bridges located on public roads, including Inter... Federal Highway Administration (FHWA).

25. United States National Park System, 2013

2011. United States. Bureau of Transportation Statistics and United States. National Park Service. United States National Park System, 2013 is a polygon theme representing the National Park System.

26. United States National Waterway Network Points, 2013

2011. United States. Bureau of Transportation Statistics and United States. Army. Corps of Engineers. The National Waterway Network is a comprehensive network database of the nation's navigable waterways. The data set covers the 48 contiguous states...

27. United States Non-Attainment Areas: Carbon Monoxide, 2013

2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, United States. Federal Highway Administration., and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. The standard for the CO NAA is 9 ppm. For more detailed information... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).

28. United States Non-Attainment Areas: Lead, 2013

2011. United States. Bureau of Transportation Statistics and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. The standard for the Lead NAA is 0.15 micrograms per cubed meter. F...

29. United States Non-Attainment Areas: Nitrogen Dioxide, 2013

2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, United States. Federal Highway Administration., and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. The standard for the NO2 NAA is 0.053 ppm. For more detailed inform... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).

30. United States Non-Attainment Areas: Ozone 1 hour, 2013

2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. The standard for the Ozone 1 hour NAA is 0.12 ppm. For more detaile...

31. United States Non-Attainment Areas: Ozone 8 hour, 2013

2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. The standard for the Ozone 8-hour NAA is 0.075 ppm. For more detail...

32. United States Non-Attainment Areas: Particulate Matter 10, 2013

2011. United States. Bureau of Transportation Statistics and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Des...

33. United States Non-Attainment Areas: Particulate Matter 2.5 24 Hour, 2013

2011. United States. Bureau of Transportation Statistics and United States. Federal Highway Administration. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Des...

34. United States Non-Attainment Areas: Particulate Matter 2.5 Annual, 2013

2011. United States. Bureau of Transportation Statistics and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Des...

35. United States Non-Attainment Areas: Sulfur Oxides, 2013

2011. United States. Bureau of Transportation Statistics and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Des...

36. United States Populated Places, 2013

2011. United States. Bureau of Transportation Statistics. This data set includes cities in the United States, Puerto Rico and the U.S. Virgin Islands. These cities were collected from the 1970 National Atl... U.S. Geological Survey.

37. United States Ports, 2013

2011. United States. Bureau of Transportation Statistics and United States. Army. Corps of Engineers. Contains physical information on commercial facilities at the principal U.S. Coastal, Great Lakes and Inland Ports. The data consists of listings o... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).

38. United States Public-Use Airports, 2013

2011. United States. Federal Aviation Administration. United States Public-Use Airports 2013 is a point theme representing airports in the United States in 2013. Attribute data is provided on the physi... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).

39. United States Railroad Bridges, 2013

2011. United States. Bureau of Transportation Statistics. Railroad Bridges is a spatial file containing the locations of railroad bridges. The data set includes all rail bridges over the navigable and non-... Federal Railroad Administration (FRA).

40. United States States (With Shoreline), 2013

2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, and United States. Bureau of the Census. State boundaries with political limit - boundaries extending into the ocean. The State Boundary with Detailed Shorelines database was created using... U.S. Census Bureau (BOC).