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You searched for: Publisher North American Cartographic Information Society Remove constraint Publisher: North American Cartographic Information Society Subject Society Remove constraint Subject: Society Subject Boundaries Remove constraint Subject: Boundaries Institution Stanford Remove constraint Institution: Stanford Data type Line Remove constraint Data type: Line
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1. U.S. Parks and Protected Land Lines, 1:10 million (2012)

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.