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Location
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Stanford
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Polygon
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2012
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1. Rextag GIS Zones, Q2 2012
2012. Hart Energy Publishing. This polygon shapefile contains the boundaries of GIS zones referenced in other energy-related datasets produced by Hart Energy Publishing (Rextag)... Hart Energy Publishing.
2. World Land-Based Polygon Features, 1:10 million (2012)
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts polygon labels of major physical features worldwide, including deserts, mountain ranges, plateaus, island groupings ... North American Cartographic Information Society.