Bulletin No. 64 MERRITT ISLAND I.W. / inn sonic API UNITS 100 INCREASING POROSITY 'A LEGEND LIMESTONE -Z z A DOLOSTONE API = AMERICAN PETROLEUM INSTITUTE 300 = FEET BELOW LAND SURFACE Figure 11. Detailed lithostratigraphic column with gamma-ray and sonic log for the upper portion of the Avon Park Formation in the Merritt Island injection well. 23