You searched for: Author Patterson, Tom Remove constraint Author: Patterson, Tom Subject Society Remove constraint Subject: Society Subject Location Remove constraint Subject: Location Place United States Remove constraint Place: United States
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.