A guide to insect injury of conifers in the Lake States
By: by Louis F. Wilson.
Contributors: United States. Forest Service.
Series: Agriculture handbook ; no. 501; Agriculture handbook (United States. Dept. of Agriculture) -- no. 501.
Publisher: Dept. of Agriculture, Forest Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1977
Place of publication: Washington
Language: eng
Number of pages: 218
Subjects: Conifers -- Diseases and pests -- Lake States.; Insects -- Lake States.
Notes: Includes indexes.