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You searched for: Author Geological Survey (U.S.) Remove constraint Author: Geological Survey (U.S.) Format Shapefile Remove constraint Format: Shapefile Publisher Geological Survey (U.S.) Remove constraint Publisher: Geological Survey (U.S.) Subject Structure Remove constraint Subject: Structure
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1. Airports of the United States, 2012

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.).

2. Major Dams of the United States, 2002-2004

2002. 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.).