000 00890nam a2200265u 4500
001 00708674
003 PWmBRO
008 861218s1987 dcu b f00010 eng
050 0 _aTN295
_b.U4
_aTN312
082 0 _a622 s
_a622/.8�19
086 0 _aI 28.27:
090 0 0 _aVF
_b622.8/W341s
100 1 0 _aWatson, Pamela J.
245 1 0 _aSurvey of nuisance and biologically active dusts in metal and nonmetal mines /
_cby P.J. Watson, D. Tallman, and J.E. Pahlman.
260 0 _aWashington, D.C. :
_bU.S. Dept. of the Interior, Bureau of Mines,
_c1987.
300 _a20 p.
490 1 _aInformation circular ;9136
650 0 _aMine dusts.
650 0 _aMineral industries
_xHygienic aspects.
700 1 0 _aTallman, Daniel N.
700 1 0 _aPahlman, J. E.
_q(John E.)
830 0 _aInformation circular (United States. Bureau of Mines) ;
_v9136
942 _2ddc
994 0 1 _aT1001 057 069
999 _c45549
_d45549