Mine-timber studies.
Subtitle: Stresses in mine-drift timber-sets
By: by Raymond L. Grazier. Increasing the endurance of drift-sets, by Robert B. Gayer.
Contributors: Grazier, Raymond L.; Gayer, Robert B.
Series: Colorado School of Mines. Quarterly,; v. 36, no. 3
Published: 1941
Place of publication: Golden, Colo
Language: eng
Number of pages: 65
Subjects: Mine timbering.; Strains and stresses.
Notes: Bibliography: p. 44.