Scott Tunnock books & textbook
Field Guide to Diseases and Insect Pests of Idaho and Montana Forests (USDA Publication no. R1-89-54)
Susan K. Hagle Scott Tunnock Kenneth E. Gibson Carma J. Gilligan
USDA Forest Service /1990T Spiral-bound / 123 Pages
isbn-10: 016000117X / isbn-13: 9780160001178
A Field Guide To Diseases & Insect Pests of Northern & Central Rocky Mountain Conifers
Susan K. Hagle Kenneth E. Gibson Scott Tunnock
USDA Forest Service /2003-01-01 Spiral-bound / 198 Pages
