Distribution of western spruce budworm egg masses on white fir and Douglas-firFormat: [microform] /
Author: Schmid, J. M.
Publisher: Fort Collins, Colo. : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,
Date: [1982] 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.