Authors: Mielke, J. L.; Hansbrough, J. R.
Source: Journal of Forestry, Volume 31, Number 1, 1 January 1933, pp. 29-33(5)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Assistant Pathologist, Division of Forest Pathology, U. S. Bureau of Plant Industry, Portland, Ore.
Publication date: January 1, 1933