Figure 6. The photograph record of vibracore P-128 from 0-8'. One hundred and twenty-eight (128) vibracores collected offshore of the Florida panhandle were split, sampled, photographed, color coded according to Munsell Color Chart and logged according to the ASTM version of the Unified Soils Classification System. Mechanical gradation analyses, fine sediment and carbonate tests were performed on over 150 samples.