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Cleveland-Cliffs Iron Mining Company (Gwinn) records

Identifier: MSS-036

Scope and Contents

This collection contains business records for the Cleveland Cliffs Iron Mining Company from 1905 to 1918 and consists four series:

Series I - Gwinn Area Design and Development records. 33 folders. This series consists of information and correspondence relating to the design, development, and operation of CCI properties in the Gwinn/Swanzy area. Gwinn was a model company town created by the Cleveland Cliffs Iron Mining Company. The volume contains estimate and authorization records for various mine locations, correspondence, and financial material related to the establishment of Gwinn. Also included are correspondence from Cleveland Cliffs Iron Mining Company president William G. Mather and urban architect Warren Manning.

Series II - Blueprints and Maps. 1 folder. This series consists of six blueprints and 4 maps of the Gwinn Townsite and various mines.

Series III - Estimate and Authorizations Ledger. This series consists of one ledger containing Estimate and Authorization (E&A) reports for the Gwinn/Swanzy area from 0ct. 1905 - Jan. 1913.

Series IV - Gwinn Area Payroll Ledger. This series consists of one ledger containing payroll records for the Gwinn area.


  • 1905 - 1918


Conditions Governing Access note

No restrictions. Open for research.

Conditions Governing Use note

Permission to publish material from the Cleveland Cliffs Iron Mining Company records, MSS-036, must be obtained from the University Archivist. The University Archivist may be reached by phone at 906-227-1225, or e-mail, The University Archivist may also be reached in Room 126 of the Learning Resource Center, Northern Michigan University, Marquette, MI.


2 Cubic Feet

Immediate Source of Acquisition note

Gift from William J. Brumm in 1997.

Related Archival Materials Note

Researchers interested in the history of iron mining in the Upper Peninsula should also consult the Cleveland Cliffs Iron Mining Company records on deposit from the State Archives of Michigan. For more information, see the web site at
Cleveland-Cliffs Iron Mining Company records
Marcus Robyns, Glenda K. Ward (Revision)
Description rules
Describing Archives: A Content Standard
Language of description

Repository Details

Part of the Central Upper Peninsula and Northern Michigan University Archives Repository

Harden Learning Resources Center 126
1401 Presque Isle Ave
Marquette 49855 United States
906-227-1333 (Fax)


This is your guide to our historical collections of personal papers, organizational records, and manuscripts. Our collections cover such topics as Northern Michigan University history, the local iron mining industry, and the politics, economics, religion, environment, and culture of the Central Upper Peninsula region. Search by Keyword, Name, Title, Subject, or Collecting Areas. The finding aids for our collections will give you an overview of the contents and information on where they are located.

Northern Michigan University
1401 Presque Isle Ave. • Marquette, MI 49855-5301 • 906–227–1000
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