000 00679pam a2200193a 44500
082 _a622.334
_bP928
100 _a
245 1 _aPREVENTING COAL MINE GROUNDFALL ACCIDENTS
_bHOW TO IDENTIFY AND RESPOND TO GEOLOGIC HAZARDS AND PREVENT UNSAFE WORKER BEHAVIOR
_cBUREAU OF MINES TECHONOLOGY TRANSFER SEMINAR
260 _a
_bU.S. Dept. Of The Interior, Denver
_c
300 _a89
440 _aInformation Circular
_v
500 _aIncludes Bibliographical References
650 _aRock Bursts -- Congresses
650 _aMine Roof Control -- Congresses
650 _aCoal Mines And Mining -- Safety Measures -- Cong
906 _h0
964 _gCIRC
997 _aTR7157 C
999 _c404689
_d404689