Search Constraints
You searched for:
Subject
Society
Remove constraint Subject: Society
Institution
Stanford
Remove constraint Institution: Stanford
Place
United States
Remove constraint Place: United States
Data type
Polygon
Remove constraint Data type: Polygon
Year
0
Remove constraint Year: 0
1 entry found
Search Results
1. U.S. Parks and Protected Land Areas, 1:10 million (2012)
0. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 394 authorized Park Service units in the United States only that are over 100,000 acres. The data does not include a... North American Cartographic Information Society.