2012. 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).
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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).
2013. United States. Bureau of Transportation Statistics and United States. Bureau of the Census. Geography Division. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census...