000 00966nam a2200277 4500
001 000008776
008 000000 00 eng
035 _a0008-78660
038 _a105
039 9 _a201510061658
_bVLOAD
_c200607260653
_dVLOAD
_c200501061902
_dVLOAD
_y200410261157
_zVLOAD
041 _aeng
088 _aUSBM ri-9176
100 1 0 _aMatetic, Rudy J.
_930402
245 _aComparative study of pillar load transfer associated with multiple-seam mining /
_cby R.J. Matetic, G.J. Chekan
260 _aPittsburgh, Pa. :
_bU.S. Dept. of the Interior, Bureau of Mines,
_c1988
300 _aii, 20 p. :
_bill. ;
_c28 cm.
440 _aU.S. Bureau of Mines. Report of investigations
_v9176
_9128982
504 _aBibliography: p. 20.
650 0 _aPillaring (Mining).
_930400
650 0 _aMine subsidences.
_930401
650 0 _aCoal mines and mining.
_9122498
700 _aChekan, G. J.
_930399
850 _aSI/DSS
900 _a014855
942 _c1
999 _c7279
_d7279