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Ecoregions of the United States and the World USDA/FS/IMI

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Abstract: "Description of the Ecoregions of the United States" is a volume that
was originally published in 1978 to provide a general description of
the ecosystem geography of the Nation as shown on the 1976 map
"Ecoregions of the United States." It was first published as an
unnumbered publication by the Intermountain Region, USDA Forest
Service, Ogden, Utah. It was reprinted in 1980 by the Forest Service,
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Related URL
Description: Download Ecoregions maps
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Geographic Coverage
Spatial coordinates   
  N: 76.63   S: 13.71   E: -61.48   W: -177.1
  N: 90.0   S: -90.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: Robert G. Bailey
Dataset Title: Description of the Ecoregions of the United States
Dataset Release Place: CO
Dataset Publisher: USDA/FS/IMI
Data Presentation Form: online
Online Resource:
Access Constraints The data are public domain.
Originating Center
Data Center
Inventory and Monitoring Institute, Forest Service, U.S. Department of Agriculture Supplemental Info
Data Center URL:

Data Center Personnel
Phone: (970) 295-5727
Contact Address:
USDA Forest Service
2150 Centre Ave. Suite 300
City: Ft. Collins
Province or State: CO
Postal Code: 80526
Country: USA
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Creation and Review Dates
DIF Creation Date: 1998-02-02
Last DIF Revision Date: 2016-01-27