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You searched for: Author U.S. Geological Survey Remove constraint Author: U.S. Geological Survey Access Public Remove constraint Access: Public Subject Impervious surfaces Remove constraint Subject: Impervious surfaces Institution Penn State Remove constraint Institution: Penn State
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1. National Land Cover Database 2001 - Imperviousness Layer - Southeast

2003. U.S. Geological Survey. The National Land Cover Database 2001 for mapping zone 54 was produced through a cooperative project conducted by the Multi-Resolution Land Charact...

2. National Land Cover Database 2001 - Imperviousness Layer - Pennsylvania and Northeast

2003. U.S. Geological Survey. The National Land Cover Database 2001 for mapping zone 60 was produced through a cooperative project conducted by the Multi-Resolution Land Charact...

3. National Land Cover Database 2001 - Imperviousness Layer - Western Pennsylvania and Ohio

2003. U.S. Geological Survey. The National Land Cover Database 2001 for mapping zone 47 was produced through a cooperative project conducted by the Multi-Resolution Land Charact...