Treesearch
Defect indicators in sugar maple—a photographic guide.
| Authors: | Richard M. Marden, Charles L. Stayton |
| Year: | 1970 |
| Type: | Research Paper |
| Station: | Northern Research Station |
| Source: | Research Paper NC-37. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station |
Download (PDF 1.41 MB): https://research.fs.usda.gov/download/treesearch/10558.pdf