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Start Over Collection National atlas of the United States of America, 1997-2014 Year 1972 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. National Wilderness Preservation System of the United States, 2006

Datasets Stanford University Public content
1972. National Atlas of the United States. This polygon shapefile contains National Wilderness Preservation System areas of 640 acres or more, in the United States, Puerto Rico, and the U.S.... National Atlas of the United States.