Description of the ecoregions of the United States
By: compiled by Robert G. Bailey.
Contributors: Bailey, Robert G., 1939-; U.S. Fish and Wildlife Service.; United States. Forest Service.
Series: Miscellaneous publication -- no. 1391.; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 1391.
Publisher: U.S. Dept. of Agriculture, Forest Service
Published: 1980
Place of publication: Ogden, Utah
Language: eng
Number of pages: 77
Subjects: Ecology -- United States.; Biotic communities -- United States.; Ecology -- United States.
Notes: "Prepared in cooperation with U.S. Fish and Wildlife Service, and originally published as an unnumbered publication by the Intermountain Region, USDA Forest Service, Ogden, Utah."

"October 1980."

Bibliography: p. 69-72.