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You searched for: Author United States. Forest Service Remove constraint Author: United States. Forest Service Publisher National Atlas of the United States Remove constraint Publisher: National Atlas of the United States Subject Environment Remove constraint Subject: Environment Place Puerto Rico Remove constraint Place: Puerto Rico
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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.