2015. Hart Energy Publishing. This point dataset shows the locations of alternative fuel filling stations in the United States for 2015. This layer is a part of a collection of ... Hart Energy Publishing.
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2016. Hart Energy Publishing. This point shapefile represents ports in the United States, Mexico, and Canada. Data includes official port name, entry restrictions, associated U.... Hart Energy Publishing.
2016. Hart Energy Publishing. This line shapefile represents roads in North America (Canada, Mexico, and the United States). This layer is from Winter Quarter 2016. This layer i... Hart Energy Publishing.