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Start Over You searched for: Subject Biology and Ecology Remove constraint Subject: Biology and Ecology Subject Ecological regions Remove constraint Subject: Ecological regions Place Arizona Remove constraint Place: Arizona Place Louisiana Remove constraint Place: Louisiana Place Alabama Remove constraint Place: Alabama Data type Polygon Remove constraint Data type: Polygon Year 2004 Remove constraint Year: 2004

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1. Bailey's Ecoregions and Subregions of the United States, 2004 Polygon Stanford University Public content

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.