You searched for: Publisher North American Cartographic Information Society Remove constraint Publisher: North American Cartographic Information Society Access Public Remove constraint Access: Public Subject Rivers Remove constraint Subject: Rivers Subject Natural areas Remove constraint Subject: Natural areas Place United States Remove constraint Place: United States Data type Line Remove constraint Data type: Line Format Shapefile Remove constraint Format: Shapefile
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.