Treesearch
Development of minimum standards for hardwoods used in producing underground coal mine timbers
| Authors: | Floyd G. Timson |
| Year: | 1978 |
| Type: | Research Note |
| Station: | Northern Research Station |
| Source: | Research Note NE-261. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4 p. |
Download (PDF 459 KB): https://research.fs.usda.gov/download/treesearch/11123.pdf