You searched for: Author Patterson, Tom Remove constraint Author: Patterson, Tom Subject Location Remove constraint Subject: Location Subject Parks Remove constraint Subject: Parks Subject Natural areas Remove constraint Subject: Natural areas
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.