000 01045nab a2200301 1n4500
001 000082044
005 20250722191023.0
008 930301s1981 000 0 eng d
022 _a00167606
041 0 7 _aEng
_2ISO 639-1
084 _aRev 343
100 1 _aWeir, John
_915823
245 1 0 _aEffects of physical characteristics of coal occurrence and current mining methods on economic recoverability
504 _abibliogr. p. 562
500 _a<Donation ORSTOM>
650 0 4 _aCoal measures
_915805
650 0 4 _aCharbon
_96980
650 0 4 _aGisement potentiel
_915817
650 0 4 _aEvaluation gîte
_96690
650 0 4 _aGéologie minière
_912010
653 0 5 _aEtats Unis
700 1 _aMcnulty, James
_915824
773 0 _tGeological Society of America bulletin
_dBoulder : [s.n.], 1981
_g92(8), part I, 1981, p. 558-562: : tab., rés.(Angl)
711 2 _aCoal geology symposium: The evaluation of North American coal resources
_d( Nov. 1979)
_915807
910 _aGSL
_c20150612
_h1024
942 _cANAL
999 _c7899
_d7899