Historical review of and current progress in coal-resource estimation in the United States
Wood, Gordon Jr
Historical review of and current progress in coal-resource estimation in the United States
bibliogr. p. 528
00167606
Coal measures
Bassin Hoilleur
Couche charbon
Degré houllification
Anthracite
Lignite
Charbon bitumineaux
Réserve
Etats Unis
Historical review of and current progress in coal-resource estimation in the United States
bibliogr. p. 528
00167606
Coal measures
Bassin Hoilleur
Couche charbon
Degré houllification
Anthracite
Lignite
Charbon bitumineaux
Réserve
Etats Unis