The use of rock bolts or wire rope to increase the strength of fractured model pillars.  by F.G. Horino, W.I. Duvall and B.T. Brady.
Contributors: Duvall, W.I.; Brady, B.T.
Publisher: Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 24
Subjects: Wire rope; Mining engineering
Notes: 11