Books by Frank Cathcart Calkins
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-30%
Contributions to Economic Geology, 1912: Part I, Metals and Nonmetals Except Fuels-Lead and Zinc: Usgs Bulletin 540-E
Frank Cathcart Calkins, E. L. Jones, Joseph Bertram Umpleby
€29.45
€42.07
-30% with code BOOKS
In stock at our supplier
-30%
A Geological Reconnaissance in Northern Idaho and Northwestern Montana, with Notes on the Economic Geology: Usgs Bulletin 384
Frank Cathcart Calkins, D. F. MacDonald
€32.77
€46.82
-30% with code BOOKS
In stock at our supplier