You searched for: Author United States. Forest Service Remove constraint Author: United States. Forest Service Subject Ecological regions Remove constraint Subject: Ecological regions Place Alaska Remove constraint Place: Alaska Place Alabama Remove constraint Place: Alabama Data type Polygon Remove constraint Data type: Polygon Format Shapefile Remove constraint Format: Shapefile 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.