Development of minimum standards for hardwoods used in producing underground coal mine timbers
By: Floyd G. Timson
Contributors: Northeastern Forest Experiment Station (Radnor, Pa.); United States. Forest Service
Series: Forest Service research note NE -- 261; Forest Service research note NE -- 261.
Publisher: Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1978
Place of publication: Broomall, Pa
Language: eng
Subjects: Lumbering; By-products
Notes: Includes bibliographical references.