Description of the ecoregions of the United States

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Bibliographic Details
Main Author: Bailey, Robert G.
Corporate Author(s): United States. Forest Service., U.S. Fish and Wildlife Service.
Report Numbers:APA 2071
Series:Miscellaneous publication (United States. Department of Agriculture) ; no. 1391.
Online Access:Link to Full Text
Physical Description:iv, 77 p. : ill., 1 map ; 23 cm.