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You searched for: Publisher North American Cartographic Information Society Remove constraint Publisher: North American Cartographic Information Society Access Public Remove constraint Access: Public Subject Natural areas Remove constraint Subject: Natural areas Year 0 Remove constraint Year: 0
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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.