Gypsum in the Blaine Formation
The crushing plant (Pl. 5B) contains a primary and a secondary crusher. The secondary crusher produces pieces of gypsum 1 1/2 inches in size or smaller, which are stored in covered bins for shipment to Medicine Lodge by rail in covered hopper cars. Plate 5—Pioneer mine near Sun City. (Pictures courtesy of Homer Venter, National Gypsum Company ...
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