Frank C. Calkins books & textbook
Geology And Ore Deposits Of The Philipsburg Quadrangle, Montana, Issue 78
Emmons, William Harvey Frank C Calkins
Legare Street Press /2022-10-27 Paperback / 302 Pages
A geological reconnaissance in northern Idaho and northwestern Montana
Govt. Print. Off. / Unknown Binding
A Geological Reconnaissance Across The Cascade Range Near The Forty-ninth Parallel,
Smith, George Otis Frank C Calkins
Nabu Press /2011-08-28 Paperback / 512 Pages
isbn-10: 1178697479 / isbn-13: 9781178697476
