You searched for: Publisher National Atlas of the United States Remove constraint Publisher: National Atlas of the United States Subject Environment Remove constraint Subject: Environment Subject Biotic communities Remove constraint Subject: Biotic communities Place Nebraska Remove constraint Place: Nebraska Place Iowa Remove constraint Place: Iowa Place Kansas Remove constraint Place: Kansas Place Florida Remove constraint Place: Florida Format Shapefile Remove constraint Format: Shapefile
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.
2003. United States. Environmental Protection Agency. This polygon shapefile shows Omernik's Level III ecoregions, derived from a 1:7,500,000 map created by J.M. Omernik in 1987 and from refinements of... National Atlas of the United States.