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Start Over You searched for: Publisher National Atlas of the United States Remove constraint Publisher: National Atlas of the United States Access Public Remove constraint Access: Public Subject Boundaries Remove constraint Subject: Boundaries Subject Biology and Ecology Remove constraint Subject: Biology and Ecology Subject Wilderness area monitoring Remove constraint Subject: Wilderness area monitoring 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 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.