Scope and Contents From the Sub-Series: The Detroit and Lake Superior Copper Company Records contain correspondence, receipts, invoices, and reports of General Managers John R. Grout and James R. Cooper and Chief Clerk Z. W. Wright. It includes records from its predecessor, the Waterbury and Detroit Copper Company.Note that the Keweenaw Historical Society filed the material into company files based on the content of the letter, not the correspondent.Note that the records of the Detroit and Lake Superior...

Scope and Contents From the Sub-Series:

The subseries contains assorted records from the Keweenaw County Clerk, primarily files on mining companies. The mining company files usually contain Michigan Annual Reports and sometimes other material, such as Articles of Association.

Scope and Contents From the Sub-Series:

The subseries contains assorted records from the Keweenaw County Clerk, primarily files on mining companies. The mining company files usually contain Michigan Annual Reports and sometimes other material, such as Articles of Association.

Scope and Contents From the Sub-Series:

The subseries contains assorted records from the Keweenaw County Clerk, primarily files on mining companies. The mining company files usually contain Michigan Annual Reports and sometimes other material, such as Articles of Association.

Scope and Contents From the Sub-Series:

The subseries contains assorted records from the Keweenaw County Clerk, primarily files on mining companies. The mining company files usually contain Michigan Annual Reports and sometimes other material, such as Articles of Association.

Scope and Contents From the Sub-Series:

The subseries contains assorted records from the Keweenaw County Clerk, primarily files on mining companies. The mining company files usually contain Michigan Annual Reports and sometimes other material, such as Articles of Association.

Scope and Contents From the Sub-Series:

The subseries contains assorted records from the Keweenaw County Clerk, primarily files on mining companies. The mining company files usually contain Michigan Annual Reports and sometimes other material, such as Articles of Association.

Scope and Contents From the Sub-Series:

The subseries contains assorted records from the Keweenaw County Clerk, primarily files on mining companies. The mining company files usually contain Michigan Annual Reports and sometimes other material, such as Articles of Association.

Scope and Contents From the Sub-Series:

The subseries contains assorted records from the Keweenaw County Clerk, primarily files on mining companies. The mining company files usually contain Michigan Annual Reports and sometimes other material, such as Articles of Association.

Scope and Contents From the Sub-Series:

This subseries includes records from the Houghton County Clerk and Lake Linden Post Office, as well as the Michigan State Troops (later Michigan National Guard).