You searched for: Format Shapefile Remove constraint Format: Shapefile Subject Transportation Remove constraint Subject: Transportation Subject Oceans Remove constraint Subject: Oceans Subject Economy Remove constraint Subject: Economy Institution Columbia Remove constraint Institution: Columbia
2013. United States. Bureau of Transportation Statistics. The ports are politically defined by port limits or Corps projects, excluding non-Corps projects not authorized for publication. The determination ... Research and Innovative Technology Administration/Bureau of Transportation Statistics.
2011. United States. Bureau of Transportation Statistics 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...