Copper Range Company Daily Rock House Running Record

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Abstract/Description: A collection of the daily record for rock house production for shafts 3 and 4. They record the skips of poor rock and copper rock per day per shift. They include the names of the workers.
Subject(s): Copper mines and mining
Copper miners
Houghton County (Mich.)
Champion Mine (Painesdale, Mich.)
Date Created: 1937