Herbicide background statements.
Contributors: United States. Forest Service. Pacific Northwest Region.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region
Published: 1981
Place of publication: [Portland, Or.]
Language: eng
Subjects: Herbicides -- Northwest, Pacific -- Handbooks, manuals, etc.; Herbicides -- Toxicology -- Handbooks, manuals, etc.
Notes: Title from cover.

Includes bibliographies.