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2012. Geological Survey (U.S.). This point shapefile includes airports in the United States, Puerto Rico and the U.S. Virgin Islands. The data were derived from an extract of the ... Geological Survey (U.S.).
2002, 2003, and 2004. Geological Survey (U.S.). This point shapefile portrays major dams of the United States, including Puerto Rico and the U.S. Virgin Islands. The map layer was created by extr... Geological Survey (U.S.).
2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, and 2022. United States. National Oceanic and Atmospheric Administration. This point shapefile represents existing electrical transmission substations and those planned through 2022 for the New England coastal region. A s... United States. National Oceanic and Atmospheric Administration.
2012. National Atlas of the United States. This point shapefile shows Amtrak intercity railroad and bus passenger terminals in the United States. There are no Amtrak stations in Alaska or Ha... National Atlas of the United States.