Menu Expand Menu Close
Back to Top
Filter Search Expand Close Filter
Search Expand Search Close

1. 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.
All:
Hardwoods., Mine timbering.