FLORIDA GEOLOGICAL SURVEY F P EXPLANATION S F Number mcates depth to the top Norml fault of he Ocala Lnsbone in feet -u U=Upthrown side; D=D nlhfrown side below mean sea level Contour represents the top of the S -"- Ocala L nefoe an feet below Nolte All data from electric logs mean sea level. Cctour iterval I00 feet. SI I I I I 6I ,,,, 0- 0 1 2 3 4 5 6 7 9 I Om1 Geolc/ by 0 T Marsh Figure 9. Map of Escambia and Santa Rosa counties showing contours on top of the lower limestone of the Floridan aquifer. AQUICLUDES Aquicludes within the sand-and-gravel aquifer.-As shown by the geologic section along the Perdido River in Escambia County (fig. 8), the sand-and-gravel aquifer contains discontinuous layers and lenses of clay and sandy clay. The clay strata range in thickness from a few inches to several tens of feet. For example, the clay bed mined by the Taylor Brick and Tile Co., Inc., of Molino in Escambia County is about 50 feet