Favorite this☆ Swift Franklin Salt Block Description: One-story factory building in field with smokestack; tower. Label on front: "Swift 'Franklin' Salt Block, 1900." Details Resource ID: DPA3124 Subject: Factories--Michigan--Detroit Salt industry and trade--Michigan--Detroit Photographic prints Date Issued: 1900 Format: 1 photographic print mounted on mat board ; image 4.75 x 6.5 in. Member of: Burton Historical Collection Filing Location: D/Industries & business houses-Swift Franklin Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.
