Tests for analyzing the incombustible content of coal mine dust using instruments employing a gamma-ray backscatter technique

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100 1 ‡aArmstrong, F. E. ‡q(Frederick E.)
245 1 0 ‡aTests for analyzing the incombustible content of coal mine dust using instruments employing a gamma-ray backscatter technique / ‡cF.E. Armstrong and J.R. Adams.
260 ‡a[Washington, D.C.] : ‡bU.S. Dept. of the Interior, Bureau of Mines ; ‡c1973
300 ‡a9 p. : ‡bill. ; ‡c27 cm.
490 0 ‡aTechnical progress report ; ‡v64
500 ‡aPrepared for Bureau of Mines Health and Safety Research Program.
538 ‡aMode of access: Internet.
650 0 ‡aDust explosions.
650 0 ‡aCoal mines and mining ‡xDust control.
650 0 ‡aGamma rays ‡xIndustrial applications.
700 1 ‡aAbrams, J. R., ‡ejoint author.
710 1 ‡aUnited States. ‡bBureau of Mines. ‡tTechnical Progress Report.
710 1 ‡aUnited States. ‡bBureau of Mines. ‡bHealth and Safety Research Program.
710 2 ‡aBartlesville Energy Research Center.
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