Content Description

California Mining Company records (1893) consists of a letter from CA Mining Co (Castle, MT) secretary N.E. Benson addressed to T.P. Bowman, banker in Helena, MT informing his Mr. Benson will pay the banker the money he owed him, but it will be in the future, not the present. Letter offers some insight into silver mining operations following the Panic of 1893 and the continued depreciation in the value of silver during the time.

Content Description

Correspondence and reports on the Gold Reserve Mining Company and its property, the Ruby Gulch Mine. Reports and correspondence focus on the financial health of the business as well as an overview of the Ruby Gulch Mine and a plan of action report for the company's mining operations in and around Zortman, MT.

Abstract This collection is a sub-subgroup (Bureau) of the Montana Department of Environmental Quality records, RS 494. The Mining Bureau (formerly named Hard Rock Bureau and Environmental Management Bureau) currently (as of 2024) operates within the Air, Energy, and Mining Division. Please see the primary finding aid for more Montana Department of Environmental Quality records. This...