Fire and vegetative trends in the northern Rockies : interpretations from 1871-1982 photographs /Author: Gruell, George E.
Publisher: Ogden, Utah : U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station,
Date: 1983 [i.e. 1984] This title can be found in 1 Iowa libraries.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.