GeoData @ UCB

Search Constraints

You searched for: Author United States. Environmental Protection Agency Remove constraint Author: United States. Environmental Protection Agency Publisher National Atlas of the United States Remove constraint Publisher: National Atlas of the United States Place Massachusetts Remove constraint Place: Massachusetts Place Florida Remove constraint Place: Florida Data type Polygon Remove constraint Data type: Polygon
Number of results to display per page

Search Results

1. Omernik's Level III Ecoregions of the Continental United States, 2003

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.