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You searched for: Author United States. Forest Service Remove constraint Author: United States. Forest Service Subject Biology and Ecology Remove constraint Subject: Biology and Ecology Place Arkansas Remove constraint Place: Arkansas Place Texas Remove constraint Place: Texas
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1. Bailey's Ecoregions and Subregions of the United States, 2004

2004. United States. Forest Service. This polygon shapefile is commonly called Bailey's ecoregions and shows ecosystems of regional extent in the United States, Puerto Rico, and the U.... National Atlas of the United States.