A PRFLIMITNARY REPORT ON CLAYS OF FLORIDA 233




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 FIG. 51.-Sluice for returning water from filter presses to clay pit. Florida China Clay Coinpany, Okahumpka, Lake County.

 The greater part of the output is shipped to the pottery centers in New Jersey, New York, Ohio, and Pennsylvana. Shipments are also made to other eastern states, to some of the lississip) Valley states, and to the Pacific Coast states.
 One of the small potteries in Florida was experimenting with mixtures of the sedimentary kaolin and other clays during the su:;rner of 1922. The results at that time were satisfactory.

 METHODS OF MINING
 The overburden is removed at Edgar and at the Lake County Clay Company's plant, near Okahumpka, by a steam shovel. At the Florida