You searched for: Subject Society Remove constraint Subject: Society Subject Natural areas Remove constraint Subject: Natural areas Data type Point Remove constraint Data type: Point Year 2012 Remove constraint Year: 2012
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts the locations of 394 authorized Park Service units in the United States only that are over 100,000 acres. The data doe... North American Cartographic Information Society.