Emmons, William Harvey
General economic geology A textbook - 1st ed. - London McGraw - Hill book company, inc. 1922 - xiii, 516p. Illustration 22cm x 14cm
Geology
Economic geology
Mines and mineral resources
553 / EMM
General economic geology A textbook - 1st ed. - London McGraw - Hill book company, inc. 1922 - xiii, 516p. Illustration 22cm x 14cm
Geology
Economic geology
Mines and mineral resources
553 / EMM