 Gold Dredge No. 1 in Wade Creek, built 1934. Photographic Print 24 in. x 18 in. Unframed Framed / Mounted |  Molten copper is poured into molds at Chuquicamata Copper Refinery Photographic Print 24 in. x 18 in. Unframed Framed / Mounted |  Molten copper is poured into molds at Chuquicamata Copper Refinery Photographic Print 24 in. x 18 in. Unframed Framed / Mounted |