Canadian coal-resource terminology and evaluation methodology
Irvine, John
Canadian coal-resource terminology and evaluation methodology
bibliogr. p. 537
00167606
Coal measures
Etude faisabilité
Carte houllère
Couche charbon
Canada
Canadian coal-resource terminology and evaluation methodology
bibliogr. p. 537
00167606
Coal measures
Etude faisabilité
Carte houllère
Couche charbon
Canada