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1. 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.

2. 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.