Economic geology

Ries, Heinrich

Economic geology by H. Ries ... - 7th ed. - New York London J. Wiley & Sons, inc. Chapman & Hall, limited 1937. - vii, 720 p. illus., maps (1 double) diagrs. 24 cm.

Includes "References."

37031905


Geology, Economic.
Mines and mineral resources--United States.

TN23 / .R53 1937

553
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