Cave-in research yields valuable data
By: Douglas Parent
Publisher: s.n
Published: 1993
Place of publication: S.l
Language: eng
Other titles: Northern miner (0029-3164)
Description:   A response to "Cave-ins occur despite precautions" was printed in which a mining engineer explained the mechanics of the natural forces that cause crown pillar destruction.  The May 20, 1980 Belmoral Mine crown pillar collapse was utilized as a case study.
Notes: In : The northern miner (newspaper), vol.79, no.17, June 28, 1993, p. 5.

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