Roof control strategies for underground coal mines /

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Bibliographic Details
Corporate Author:	United States Bureau of Mines
Other Authors:	Smith, William C.
Format:	Book
Language:	English
Published:	Avondale, Md. : U.S. Dept. of the Interior, Bureau of Mines, 1993.
Series:	Information circular ; 9351
Subjects:	Mines and mineral resources. Mine roof bolting. Mine roof control. Coal mines and mining.
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110	2	0	\|a United States Bureau of Mines.
245	1	0	\|a Roof control strategies for underground coal mines / \|c by William C. Smith.
260	0		\|a Avondale, Md. : \|b U.S. Dept. of the Interior, Bureau of Mines, \|c 1993.
300			\|a 17 p. : \|b ill.
440	1		\|a Information circular ; \|v 9351
650		0	\|a Mines and mineral resources.
650		0	\|a Mine roof bolting.
650		0	\|a Mine roof control.
650		0	\|a Coal mines and mining.
700	1	0	\|a Smith, William C.
942			\|2 ddc
999			\|c 80483 \|d 80483
952			\|0 0 \|1 127 \|4 0 \|7 0 \|8 VF \|a ML015 \|b ML015 \|c ML015 \|d 2024-06-02 \|l 0 \|o 622 U58 \|p 103439 \|r 2019-03-04 00:00:00 \|w 2019-03-04 \|y VF