Ball mill at the Bradley Mine mill at Stibnite in Valley County, Idaho circa 1940. This photo gives a close up view of the ball mills which are used to crush ore. The opening and trough where crushed ore exits the mill is clearly shown in the...
Business records of Boise lumber mills owned by Rossi and partners including Albert Robie, William B. Morris, and William H. Ridenbaugh. Journals, ledger, and cash books.
Financial records. Included are local sales register for the Emmett and Barber mills (1915-1935); sawing reports; log shipments; annual reports; drawings and specifications of the Emmett and Barber mills; miscellaneous records of the Hallock and...