Biodiversity Heritage Library

By: Hard, John S. - Schmiege, Donald C.

Edition:

Publication info: [Portland, Or.] Institute of Northern Forestry, Pacific Northwest, Forest and Range Experiment Station, U.S. Dept. of Agriculture 1968

Volume: no.65

Series:

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects: Alaska  Hemlock sawfly  Insect pests  

BHL Collections: