Frank C. Calkins

• Geology And Ore Deposits Of The Philipsburg Quadrangle, Montana, Issue 78
• A contribution to the petrography of the John Day Basin
• A geological reconnaissance in northern Idaho and northwestern Montana
• Geology and ore deposits of the Cottonwood-American Fork Area, Utah
• Geology and water resources of a portion of east-central Washington
• Gold deposits of Slumbering Hills, Nevada
• Outline of the geology of the Comstock Lode district, Nevada
• Snoqualmie folio, Washington