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Author
U.S. Geological Survey
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Public
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Subject
Imagery and Base Maps
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Subject
Tree canopy
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Penn State
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Search Results
1. National Land Cover Database 2001 - Tree Canopy Layer - Pennsylvania and Northeast
2003. U.S. Geological Survey. The National Land Cover Database 2001 tree canopy layer for mapping zone 60 was produced through a cooperative project conducted by the Multi-Resol...
2. National Land Cover Database 2001 - Tree Canopy Layer - Southeast
2003. U.S. Geological Survey. The National Land Cover Database 2001 tree canopy layer for mapping zone 54 was produced through a cooperative project conducted by the Multi-Resol...
3. National Land Cover Database 2001 - Tree Canopy Layer - Western Pennsylvania and Ohio
2004. U.S. Geological Survey. The National Land Cover Database 2001 tree canopy layer for mapping zone 47 was produced through a cooperative project conducted by the Multi-Resol...