You searched for: Author United States. Forest Service Remove constraint Author: United States. Forest Service Institution Stanford Remove constraint Institution: Stanford Place Massachusetts Remove constraint Place: Massachusetts Place Alabama Remove constraint Place: Alabama Place Arizona Remove constraint Place: Arizona Place Delaware Remove constraint Place: Delaware Data type Polygon Remove constraint Data type: Polygon
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.