EXPLANATION OF PLATE 2.
Fig. i.-View in ptt No. 25 of Central Phosphate Company in Alachua County, showing irregular top surface of the Vicksburg Limestone (Ocala formatior) after removal of the phosphate deposit. The limestone here as elsewhere in the phosphate section projects as peaks.
Fig. 2.-View showing the irregular top surface of the Miami oolitic limestone, Dade County, after the removal of the superficial sands. Photo by R. M' Harper.
Fig. 3.-View in the plate rock phosphate pit at Anthony, showing the laminated structure of the plate rock deposit. The solution of the underlying limestone has permitted subsidence of the phosphate deposit, the folding being due to irregular subsidence.