Anchorage Testing of Mine-Roof Bolts
Subtitle: Part 3. Expansion-Type, 5/8-Inch Bolts.
Contributors: Barry, A.; Panek, L.; Mccormick, J.
Series: Report of investigations (United States. Bureau of Mines) -- 5310
Publisher: s.n
Published: 1957
Place of publication: S.l
Language: eng
Notes: 1