You searched for: Subject Society Remove constraint Subject: Society Subject Natural areas Remove constraint Subject: Natural areas Place United States Remove constraint Place: United States Data type Line Remove constraint Data type: Line
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.