2013. Waterborne Commerce Statistics Center (U.S.) and United States. Bureau of Transportation Statisticsf. This point shapefile depicts ports politically defined by port limits or USACE projects, excluding non-USACE projects not authorized for publicatio... United States. Bureau of Transportation Statistics.
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2015. San Joaquin County (Calif.). Community Development Department. This polygon shapefile contains the port districts in San Joaquin County, California. This layer is part of a collection of GIS data for San Joaqui... San Joaquin County (Calif.). Community Development Department.