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 Ecological regions Remove constraint Subject: Ecological regions Subject Biology and Ecology Remove constraint Subject: Biology and Ecology Institution Stanford Remove constraint Institution: Stanford Place Massachusetts Remove constraint Place: Massachusetts Place Arizona Remove constraint Place: Arizona 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.