Oklahoma

Zinc Ore Bucket Hoisted from Mine Cardin Oklahoma 1942

Zinc Recovery Process 1943 Eagle-Picher Plant Cardin Oklahoma

Vintage World War II Zinc Lead Ore Transport at Eagle-Picher 1940s

Eagle-Picher Zinc Concentrator Waste Rock 1942

Worker Operating Zinc Ore Leader at Eagle-Picher 1942

1942 Worker at Eagle-Picher Zinc Smelting Plant Safety Measures

Zinc Production at Eagle-Picher Plant Oklahoma 1942

Molten Zinc Flowing from Furnace at Eagle-Picher Plant 1943

Zinc Jumbo Blocks for War Effort at Eagle-Picher Plant 1942

Zinc Mine Blast Hole Drillers Cardin Oklahoma 1942

Molten Zinc Flowing from Furnace at Eagle-Picher Plant 1942

Zinc Smelting Operation at Eagle-Picher Plant 1942

Zinc Mine Workers in Cardin Oklahoma 1942

Zinc Ore Bucket Ready for Hoisting at Eagle-Picher Plant 1942

Blast Hole Drillers at Eagle-Picher Zinc Mine Oklahoma 1943

Flotation Machine Maintenance at Eagle-Picher Zinc 1943

Flotation Machines in Zinc Concentrator 1944

Zinc Filtration Equipment Production Eagle-Picher Plant 1943

Zinc Concentrate Flow at Eagle-Picher Plant Oklahoma 1942

Zinc Production at Eagle-Picher Plant Cardin Oklahoma 1942

1942 Zinc and Lead Ore Transportation at Cardin Oklahoma

Zinc Production at Eagle-Picher Plant 1943

Zinc Concentrate Shipment at Eagle-Picher Plant 1942

Eagle-Picher Zinc and Lead Production Cardin Oklahoma 1942

1939 Salinas California Shacks for Lettuce Shed Workers

Slab House in Atoka Oklahoma June 1938 Vintage Image

Migratory Families Stopped for Repairs New Mexico 1937

California Migratory Farm Laborers February 1937

Carrot Pullers Working in California February 1937

Mother and Child at Farm Security Camp 1939 California