Introductory economic geology
Tarr, W A
Introductory economic geology - 2nd ed. - New York: McGraw-Hill Book Company, 1938 - xi, 645p.
Economic geology
Copper
553 / G8
Introductory economic geology - 2nd ed. - New York: McGraw-Hill Book Company, 1938 - xi, 645p.
Economic geology
Copper
553 / G8