228 FLORIDA GEOLOGICAL SURVEY-I5T11 ANNUAL REPORT Tt is not, however, a typical b)nd clay. It cannot le usel alone, as it has a high shrinkag-e and develOl)s small cracks in firing. SA FIG. 46.-Entrance to sand traps, Florida China Clay Co., Okahumpka, Lake County. F t troghs Fk FIG. 47.-Settling troughs, Florida China Clay Co., OkahlUmpka, Lake (ohloY.