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...

Abstract

These records of the Montana Attorney General's Office consist of interoffice correspondence (1969-1978); general correspondence (1963-1966) arranged by correspondent and subject, including dockets and informal opinions; annual reports (1973-1977) of tax-exempt private foundations; speeches; and miscellany. (Reel-to-reel tapes transferred to Oral History)

Abstract This collection is a subgroup (Predecessor Agency) of the Montana Public Service Commission records, RS 501. The Board of Railroad Commissioners served ex-officio as the Public Service Commission until it was abolished in 1971, and its duties transferred to the PSC. Please see the primary finding aid for more Montana Public Service Commission records. These records consist...

Abstract

Records (circa 1880-1947) of Montana Power Company predecessor companies consist of correspondence, financial records, legal documents, and minutes of many electric power, light, water, street railway, townsite, realty, and land companies around Western and Central Montana.

Abstract This collection is a subgroup of the Montana Public Service Commission records, RS 501. This collection was not originally processed separately by Division - it contains records of multiple PSC Divisions and its predecessor agency, the Board of Railroad Commissioners. Please see the primary finding aid for more Montana Public Service Commission records. These records consist...

Abstract This collection is a subgroup (Division) of the Montana Public Service Commission records, RS 501. The Transportation Division was renamed Transportation/Centralized Services Division, and eventually became just the Centralized Services Division. Please see the primary finding aid for more Montana Public Service Commission records. These records consist of annual reports...

Abstract This collection is a subgroup (Division) of the Montana Public Service Commission records, RS 501. The Utility Division is now, as of 2025, named the Regulatory Division. Please see the primary finding aid for more Montana Public Service Commission records. These records consist primarily of annual reports (1914-1986) made by electric utility companies, gas companies,...

Abstract The Montana Water, Electric Power and Mining Company was formed to develop water power from Flint Creek to provide electric power to mines in the Philispburg region. Records consist of interoffice correspondence (1897-1905) between company agents in Philipsburg and corporate officers in St. Louis, Missouri; general correspondence (1897-1905) with suppliers and others; scattered financial, legal, and organizational records; power house and load records (1900-1905); and weekly reports...

Abstract

These U.S. Federal Power Commission records consist of hearing materials in a case involving the failure of the Montana Power Company to apply for a license to operate its hydroelectric dams on the Missouri River and tributaries. Exhibits in the case (including steamboat logs, diaries, articles, clippings, etc.) sought to document whether the Missouri River was navigable above Fort Benton. [FPC Docket #IT-5840.]