You searched for: Author Kelso, Nathaniel Vaughn Remove constraint Author: Kelso, Nathaniel Vaughn Subject Trails Remove constraint Subject: Trails Subject Rivers Remove constraint Subject: Rivers
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.