Anaconda Copper Mining Company Reduction Dept. / Washoe Sampler records, 1905-1971
Table of Contents
Overview of the Collection
- Creator
- Anaconda Copper Mining Company
- Title
- Anaconda Copper Mining Company Reduction Dept. / Washoe Sampler records
- Dates
- 1905-1971 (inclusive)19051971
- Quantity
- 20 linear feet
- Collection Number
- A8:3-6
- Summary
- These records of the Anaconda Copper Mining Company consist of assay records (1905-1964) of the Washoe Sampler and an index (1920s-1960s) to financial journals of the Anaconda Reduction Department. The assay records include numerical listings by sample lot number and give the name of the mine/company and assay information including ounces of copper, gold, and silver per ton of ore. Accompanying these records is an index by mine/company giving lot number and date; and assay cards giving more detailed assay/ore settlement information. There is also Berkeley Pit ore reserve information (1959-1964). The Reduction Department records consist of an index to some of the financial journals of itemized expenditures which are located in Manuscript Collection 169, The Anaconda Copper Mining Company Records.
- Repository
-
Montana Historical Society, Library & Archives
Montana Historical Society Research Center Archives
225 North Roberts
PO Box 201201
Helena MT
59620-1201
Telephone: 4064442681
Fax: 4064445297
mhslibrary@mt.gov - Access Restrictions
-
Collection is open for research
- Languages
- English
Use of the Collection
Restrictions on Use
Researchers must use collection in accordance with the policies of the Montana Historical Society Library and Archives. The Library and Archives does not necessarily hold copyright to all materials in the collection. In some cases, permission for use may require additional authorization from the copyright holders. For more information, contact the Montana Historical Society Library and Archives.
Preferred Citation
[item description and date]. Name of Collection. Collection Number. [box and folder number]. Montana Historical Society Library and Archives. Helena, Montana.
Administrative Information
Arrangement
Arranged by series: Production Records (box 1-3; card-box 4-34) and Financial Records (card-box 35-59)
Detailed Description of the Collection
Detailed Description of the Collection
-
Production Records
-
Description: Assay record (numerical listing by sample lot number. Gives name of mine/company; and assay information, including ounces of copper, gold, silver, lead, and other minerals per ton or ore) [bound volumes #1-12]Dates: 1905-1930Container: Box 1
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Description: Assay record (numerical listing by sample lot number. Gives name of mine/company; and assay information, including ounces of copper, gold, silver, lead, and other minerals per ton or ore) [bound volumes #13-17]Dates: 1935-1964Container: Box 2
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Description: Assay record (numerical listing by sample lot number. Gives name of mine/company; and assay information, including ounces of copper, gold, silver, lead, and other minerals per ton or ore) [unbound volumes]Dates: 1966-1971Container: Box 3
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Description: Index to assay record (alphabetical cards for company/mine name, date, and sample lot number)Dates: 1905-1964Container: Card box 4-13
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Description: Alphabetical card files (by company / mine name: includes assay/ore settlement date, including dry and wet weight of ore, ounces of copper, gold, silver, lead, and other minerals per ton or ore, quantity of ore, cost, and royalty payment)Dates: 1905-1960sContainer: Card box 14-30
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Description: Alphabetical card files (by company / mine name: includes assay/ore settlement date, including dry and wet weight of ore, ounces of copper, gold, silver, lead, and other minerals per ton or ore, quantity of ore, cost, and royalty payment)Dates: 1910s-1920sContainer: Card box 31-34
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-
Financial Records
-
Description: Index to financial journals in Anaconda Copper Mining Company Records (MC 169, Vol. 966-972)Dates: 1910sContainer: Card box 35-40
-
Description: Index to financial journals in Anaconda Copper Mining Company Records (MC 169, Vol. 973-981)Dates: 1920sContainer: Card box 40-43
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Description: Index to financial journals in Anaconda Copper Mining Company Records (MC 169, Vol. 982-996)Dates: 1930s-1960sContainer: Card box 44-51
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Description: Index to accrued interest receivableDates: 1930s-1940sContainer: Card box 52-54
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Description: Index to arsenic salesDates: 1930s-1940sContainer: Card box 55-56
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Description: Index to payroll recordsDates: 1940s-1960sContainer: Card box 57
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Description: Berkeley Pit ore reserves classificationDates: 1960sContainer: Card box 58-59
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Names and SubjectsReturn to Top
Subject Terms
- Assaying--Montana--Anaconda.
- Mines and mineral resources--Montana.
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