Favorite this☆ Chunk of pure copper Description: View of a 6,000 pound chunk of pure copper resting on a sled with building in background. Recorded in glass negative ledger: "M/Mines & mineral resources." Details Resource ID: EB02m579 Subject: Copper mines and mining--Michigan Copper ores--Michigan Glass negatives Date Issued: Unknown year Format: 1 negative : glass ; 4.5 x 4 in. Member of: Burton Historical Collection Negative Number: BHC glass neg. no. 822 Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.
