If you are experiencing problems downloading PDF or HTML fulltext, our helpdesk recommend clearing your browser cache and trying again. If you need help in clearing your cache, please click here . Still need help? Email email@example.com
Authors: Offord, H. R.; Quick, Clarence R.; Moss, Virgil D.
Document Type: Journal Article
Affiliations: Forester, Division of Blister Rust Control, Region 1, Forest Service, U.S. Dept. Agric.
Publication date: January 1, 1958