Favorite this☆ Worker pouring copper into molds in Calumet, Michigan Description: Worker pours copper into molds at a foundry in Calumet, Michigan. Recorded in lantern slide ledger: "M/Localities-Pouring copper molds, Calumet, Mich." Details Resource ID: EB02m362 Subject: Copper mines and mining--Michigan--Calumet Copper founding--Michigan--Calumet Foundry workers--Michigan--Calumet Lantern slides Date Issued: Unknown year Format: 1 transparency : glass ; 3.25 x 4 in. Member of: Burton Historical Collection Negative Number: BHC lantern slide no. 7634 Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.
