Emmons, William Harvey
The principles of economic geology - 2nd ed. - New York McGraw - Hill book company, inc. 1940 - xix, 529p. Illustration 23cm x 15cm
Geology
Economic geology
Ore deposits
553 / EMM
The principles of economic geology - 2nd ed. - New York McGraw - Hill book company, inc. 1940 - xix, 529p. Illustration 23cm x 15cm
Geology
Economic geology
Ore deposits
553 / EMM