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1. Ports of the United States, 2014

2014. National Atlas of the United States. This map layer shows major ports in the United States, Puerto Rico, and the U.S. Virgin Islands. A port is a city, town, or urban area with a harbo... National Atlas of the United States.

2. Ports, San Francisco Bay Area, 2014

2014. California. Metropolitan Transportation Commission. This point shapefile contains the locations of ports (or harbors) within the San Francisco Bay Area of California. This layer is part of the Bay Ar... California. Metropolitan Transportation Commission.