-
-
par Jenkins, Olaf P. (Olaf Pitt), 1889-1983
Publié 1924Livre
-
par Green, Stephen H.
Publié 1949Livre
-
-
-
-
Report On The Mining Industries Of The United States (exclusive Of The Precious Metals)with special investigation into the iron resources of the republic and into the Cretaceous coals of the NorthwestBookpar Pumpelly, Raphael, 1837-1923
Publié 1886Livre
-
Coal In Washington;distribution geology mining preparation uses and economic value of coal resources of WashingtonBookpar Daniels, Joseph, 1884-1965
Publié 1934Livre
-
-
par Shedd, Solon, 1860-1941
Publié 1924Livre
-
-