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Treesearch

Defect indicators in sugar maple—a photographic guide.

Informally Refereed
Download (PDF 1.41 MB): https://research.fs.usda.gov/download/treesearch/10558.pdf

Abstract

Shows pictorially the relations between exterior defect indicators and their underlying defects for old-growth sugar maple in the Lake States.

Citation

Marden, Richard M.; Stayton, Charles L. 1970. Defect indicators in sugar maple—a photographic guide. Research Paper NC-37. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station. 30 p.