English: Natural distribution map for Abies fraser - Fraser fir
Date
Source
http://esp.cr.usgs.gov/data/little/ USGS Geosciences and Environmental Change Science Center: Digital Representations of Tree Species Range Maps from "Atlas of United States Trees" by Elbert L. Little, Jr. (and other publications)]
Author
Elbert L. Little, Jr., of the U.S. Department of Agriculture, Forest Service, and others