Ignition of coal dust by permissible explosives

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086 0 ‡aI 28.23:4873
245 0 0 ‡aIgnition of coal dust by permissible explosives / ‡cby Irving Hartmann, John Nagy, E.B. McGibbeny, and F.P. Christofel.
260 ‡a[Washington, D.C.] : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1952.
300 ‡a18 p., [3] leaves of plates : ‡bill. ; ‡c27 cm.
490 0 ‡aReport of investigations / United States Department of the Interior, Bureau of Mines ; ‡v4873
500 ‡a"Int. - Bu. of Mines, Pgh., Pa."--p. 18.
500 ‡a"April 1952."
504 ‡aIncludes bibliographical references.
538 ‡aMode of access: Internet.
650 0 ‡aCoal mine accidents ‡xPrevention.
650 0 ‡aExplosives ‡xSafety measures.
650 0 ‡aDust explosions ‡xPrevention.
650 0 ‡aMine explosions ‡xPrevention.
700 1 ‡aChristofel, F. P.
700 1 ‡aMcGibbeny, E. B.
700 1 ‡aNagy, John.
700 1 ‡aHartmann, Irving, ‡d1905-
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CID ‡a005949826
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DAT 1 ‡a20221209140727.0 ‡b2024-12-24T18:41:36Z
DAT 2 ‡a2024-12-24T18:30:02Z
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