Using inflatable stoppings during production in noncoal mines

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100 1 ‡aThimons, Edward D.
245 1 0 ‡aUsing inflatable stoppings during production in noncoal mines / ‡cby Edward D. Thimons and Fred N. Kissell ; Pittsburgh Mining and Safety Research Center.
260 ‡a[Washington] : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c[1976]
300 ‡a[3], 13 p. : ‡bill. ; ‡c27 cm.
336 ‡atext ‡btxt ‡2rdacontent
337 ‡acomputer ‡bc ‡2rdamedia
338 ‡aonline resource ‡bcr ‡2rdacarrier
490 0 ‡aReport of investigations - Bureau of Mines ; ‡v8177
500 ‡aItem 637-A.
504 ‡aIncludes bibliographical references (p. 13).
538 ‡aMode of access: Internet.
650 0 ‡aMine ventilation ‡xSafety measures.
650 0 ‡aMine explosions ‡xSafety measures.
700 1 ‡aKissell, Fred N.
899 ‡a39015078473090
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