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H.C. Leighton Co. (Portland (Me.))

 Organization

Found in 5 Collections and/or Records:

Bay City, Mich. Central Coal Mine, Salzburg

 Item — Box: 2, Folder: 01, item: 001
Collection Scope and Content Summary From the Collection:

Collection, undated, of postcards compiled by the Michigan Technological University Archives and Copper Country Historical Collections in Houghton, Michigan. The collection primarily consists of images of copper mines and mining, cities and towns located in the Keweenaw Peninsula, and views of Michigan Technological University (also known as Michigan Mining School, Michigan College of Mines, and Michigan College of Mining and Technology).

Dates: undated

Houghton, Mich., Michigan School of Mines, 1908

 Item — Box: 5, Folder: 04, item: 058
Collection Scope and Content Summary From the Collection:

Collection, undated, of postcards compiled by the Michigan Technological University Archives and Copper Country Historical Collections in Houghton, Michigan. The collection primarily consists of images of copper mines and mining, cities and towns located in the Keweenaw Peninsula, and views of Michigan Technological University (also known as Michigan Mining School, Michigan College of Mines, and Michigan College of Mining and Technology).

Dates: Event: 1908

Underground in Calumet & Hecla copper mine, Calumet, Mich.

 Item — Box: 2, Folder: 02, item: 014
Collection Scope and Content Summary From the Collection:

Collection, undated, of postcards compiled by the Michigan Technological University Archives and Copper Country Historical Collections in Houghton, Michigan. The collection primarily consists of images of copper mines and mining, cities and towns located in the Keweenaw Peninsula, and views of Michigan Technological University (also known as Michigan Mining School, Michigan College of Mines, and Michigan College of Mining and Technology).

Dates: undated

Underground in the Tamarack Mine, Calumet, Mich.

 Item — Box: 2, Folder: 02, item: 013
Collection Scope and Content Summary From the Collection:

Collection, undated, of postcards compiled by the Michigan Technological University Archives and Copper Country Historical Collections in Houghton, Michigan. The collection primarily consists of images of copper mines and mining, cities and towns located in the Keweenaw Peninsula, and views of Michigan Technological University (also known as Michigan Mining School, Michigan College of Mines, and Michigan College of Mining and Technology).

Dates: undated

View of Houghton, Mich. from Bridge

 Item — Box: 2, Folder: 16, item: 001
Collection Scope and Content Summary From the Collection:

Collection, undated, of postcards compiled by the Michigan Technological University Archives and Copper Country Historical Collections in Houghton, Michigan. The collection primarily consists of images of copper mines and mining, cities and towns located in the Keweenaw Peninsula, and views of Michigan Technological University (also known as Michigan Mining School, Michigan College of Mines, and Michigan College of Mining and Technology).

Dates: undated