Abstract Gustaf Carlson (1907-1996) was a Helena based mining engineer involved in mining in Montana, Idaho, Arizona, and Minnesota. This collection (1890s-1960s) consists of subject files on local mines including the Spring Hill (near Unionville), the Klondyke and the Sourdough (in Elkhorn); the East Pacific and the Kleinschmidt (near Townsend); the Drumlummon (near Marysville); mines in the Corbin and Wickes area; and other mines in Montana and Idaho. One of the larger subject files concerns the...

Abstract

Reno Sales (1876-1969) was an Anaconda Company mining geologist, known as "The Father of Mining Geology." Papers include a biographical sketch by Vincent D. Perry and Charles Mayer; incoming and outgoing correspondence (1957-1967); diaries (1911, 1920-1968); writings; and miscellany. The Valley Ditch Company subgroup includes correspondence (1957-1966), financial records (1945-1966), minutes (1906-1964) and other materials.