Risk rating guide for mountain pine beetle in Black Hills ponderosa pine /Author: Stevens, Robert E.,
Publisher: Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station,
Date: 1980. 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.