Ecoregions and subregions of the United States (map)

Publication Type:

Map

Authors:

Bailey, Robert G.; Avers, Peter E.; King, Thomas; McNab, W H

Source:

U.S. Department of Agriculture, Forest Service, Washington, DC (1994)

Call Number:

M94BAI01IDUS

Abstract:

Characteristics of ecological units at the Section level in the Forest Service National Hierarchical Framework are presented in tabular format for climatic, geological, edaphic, aquatic, and vegetative variables. Currently, 194 Sections in 52 Provinces have been delineated on the Subregion map. Three small-scale maps illustrate the hierarchical relationship and extent of Ecoregions in the United States.

Notes:

Reference Code: M94BAI01IDUS

Full Citation: Bailey, R. G., P. E. Avers, T. King, and W. H. McNab, editors. 1994. Ecoregions and subregions of the United States (map). U.S. Geological Survey, Washington, DC. Scale 1:7,500,000 colored. Accompanied by a supplementary table of map unit descriptions compiled and edited by W. H. McNab and R. G. Bailey. Prepared for the U.S. Department of Agriculture, Forest Service.

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