Development of minimum standards for hardwoods used in producing underground coal mine timbers.
- Creator Personal:
- Timson, Floyd G.
- Title:
- Development of minimum standards for hardwoods used in producing underground coal mine timbers.
- Call Number:
- P19625
- Date:
- 1978
- Description:
Serial issue. Issued as: Forest Service research note, NE-261.
- Subject Topical:
- Hardwoods., Mine timbering.