Favorite this☆ Chunk of pure copper Description: View of a 6000 pound chunk of pure copper resting on a sled. Written in lantern slide ledger, "Lump of native copper from Lake Superior." Recorded in lantern slide ledger: "M/Mines & mineral resources-Copper from L. Superior." Details Resource ID: EB02m281 Subject: Copper mines and mining--Michigan Copper ores--Michigan Lantern slides Date Issued: Unknown year Format: 1 transparency : glass ; 3 x 3.75 in. Member of: Burton Historical Collection Negative Number: BHC lantern slide no. 522 BHC glass neg. no. 822 Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.
