Russell Lee, 1937 (73%) Part of concentrating plant at iron mine. Babbitt, Minnesota |
Fritz Henle, 1942 (60%) Morenci, Arizona. Concentrating plant of the Phelps Dodge mining corporation |
Fritz Henle, 1942 (60%) Morenci, Arizona. View of the copper concentrating plant of the Phelps Dodge mining corporation |
Fritz Henle, 1942 (56%) Morenci, Arizona. View of the copper concentrating plant of the Phelps Dodge mining corporation |
Fritz Henle, 1942 (45%) Morenci, Arizona. Copper concentrating plant of the Phelps Dodge mining corporation where ore is processed |
