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Start Over You searched for: Resource Class Datasets Remove constraint Resource Class: Datasets Resource Type Line data Remove constraint Resource Type: Line data Subject Wilderness areas Remove constraint Subject: Wilderness areas

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2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts 394 authorized Park Service units in the United States only that are over 100,000 acres. The data does not include ... North American Cartographic Information Society.