Forest insect & disease leaflet : douglas fire tussock moth /
Forest insect and disease leaflet
Boyd E. Wickman, Richard R. Mason and Galen C. Trostle
- Washington, D.C. : U. S. Dept. of Agriculture, 1980
- 10 p. : ill. ; 24 cm.
Forest insects--United States Trees--Diseases and pests--United States Forest insects Trees--Diseases and pests