You searched for: Subject Environment Remove constraint Subject: Environment Subject Biology and Ecology Remove constraint Subject: Biology and Ecology Institution Stanford Remove constraint Institution: Stanford Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Place Delaware Remove constraint Place: Delaware Place Arizona Remove constraint Place: Arizona Data type Polygon Remove constraint Data type: Polygon Year 2004 Remove constraint Year: 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.