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Mining engineering

 Subject
Subject Source: Library of Congress Subject Headings

Found in 1 Collection or Record:

Matt Kobe Papers

 Collection
Identifier: LP000148
Abstract Miscellaneous labor material including a 1914 copy of the Miners Bulletin, concerned with the copper strike in Calumet, Michigan. Also in the collection is a 1921 letter from Frank X. Martel, head of the Detroit Federation of Labor, discussing a proposal to move Labor Day from September to May.