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Heavy Mineral Sand Concentrator

In the early 1940s humphreys mining company in florida pioneered heavy mineral raining with a dredge in the united states.In 1948 du pont, in conjunction with humphreys, opened their first of two mining operations recovering a titanium dioxide product in florida.Later on in 1952 du pont opened their second plant, both of which used a cutterhead suction type of operation.

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