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Start Over You searched for: Author National Atlas of the United States Remove constraint Author: National Atlas of the United States Publisher National Atlas of the United States Remove constraint Publisher: National Atlas of the United States Subject Boundaries Remove constraint Subject: Boundaries Subject Environment Remove constraint Subject: Environment Place Massachusetts Remove constraint Place: Massachusetts Place Florida Remove constraint Place: Florida Place Delaware Remove constraint Place: Delaware Place Alabama Remove constraint Place: Alabama Place Connecticut Remove constraint Place: Connecticut Place Colorado Remove constraint Place: Colorado Place Arkansas Remove constraint Place: Arkansas Place Arizona Remove constraint Place: Arizona Data type Polygon Remove constraint Data type: Polygon Year 1972 Remove constraint Year: 1972

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