Archives West Finding Aid

The records of the Monitor Mining Company are divided into six series: Records of the Board of Directors and the Stockholders, General Correspondence and Related Records, Capital Stock Records, Financial Records, and Ore Production Records.

The first series, Records of the Board of Directors and the Stockholders, includes minutes of meetings, by-laws, and annual reports.

General Correspondence and Related Records, the second series, contains a wide variety of records relating to the financing, claims, operations, production, mill shipments, and other activities of the Monitor Mining Company and its predecessors, the Callahan Zinc-Lead, Amazon-Manhattan, Silver State, and Portland mining companies. It is divided into two alphabetical series. In addition to correspondence files, it includes balance sheets, stock transmittal letters, memoranda, telegrams, press releases, financial statements, accident reports, leases, equipment orders, ore settlements, bus accounts, lists of employees, lists of employees terminated, employment contracts, hospital contracts, federal explosive licenses, federal reporting forms for metal lines and mills, annual statements to the state of Idaho, assay reports, metallurgical summaries, federal and state income tax returns, progress and production reports, lists of stockholders, annual reports to stockholders, minutes, copies of governmental rulings and regulations, deeds for road rights of way, maps, silver affidavits, premium affidavits, and other records. They relate specifically to such topics as the consolidation of the Ray-Jefferson Mining Co. into the Monitor, acquisition of the Interstate Mine, financial returns of the Monitor Mining Co., accidents suffered by and health of Monitor employees, particularly silicosis cases, insurance compensation, operating leases of Monitor property, routine business of the company, financial returns, ore production and milling, transportation of workers, merger of the Amazon-Manhattan property into the Monitor, operation of the Monitor boarding house, employment and military deferments, hiring of soldiers, taxation of the Monitor and of the Silver State Mining Co., mine development, ore tests, sales and transfers of stock, diamond drilling, contributions to the Idaho War Fund, registration of motor vehicles, contracts with the Sullivan and Bunker Hill mills, milling equipment, merger with Portland Mining Co., purchase of claims on Sunset Peak, War Production Board quotas and wartime restrictions, approvals of the Office of Defense Transportation for new vehicles and motor fuels tax refunds, wage regulations of the Nonferrous Metals Commission, mine access roads across national forests, distribution of the workforce, and other matters.

The third series is Capital Stock Records. Included are stock ledgers and journals, and proxy statements for Day Rock, Happy Day, King, Monitor, Sherman, Tamarack & Custer, and Treasure Vault companies.

The fourth series, Financial Records, contains ledgers, journals, voucher registers, a cash book, and voucher index file.

Ore Production Records, the fifth series, contains shipment records of the Amazon vein, Carlisle, Idora, Interstate-Daylight, Parrott, Silver Tip, Sitting Bull and Tough Nut claims.

Ore Production Records, the sixth series, includes time sheets.

Removal of cancelled stock certificates, returned assessment notices, vouchers, paid checks, bank statements, and duplicate materials reduced the size of this collection by five cubic feet.