Abstract Samuel T. Hauser (1833-1914) was a Helena, Montana, Territory, pioneer, territorial governor (1885-1886), and entrepreneur in the fields of banking, mining, smelting, ranching, railroads, irrigation, and hydro-electric power. More than fifty percent of the collection is incoming correspondence (1864-1914). There are also outgoing correspondence, financial records, legal documents, organizational records, and reports. Included are thirty-eight subgroups of the Hauser family and Hauser's...

Content Description 65 black and white photographic prints collected by John C. Sloss during his work as a mine developer. This collection includes: 7 views of the radial cableway at German Bar in Alder Gulch, Montana; 5 views of dredges at German Bar at Alder Gulch, Montana (possibly the Maggie A. Gibson); 1 view of Elkhorn, Montana; 1 view of the Elkhorn Railroad; 3 hunting views near Boulder, Montana, including pronghorn antelope and mule deer; 1 view of rail line near Boulder; 2 views of the John Sloss home...