_____________________________________________________________________ Site mean shell width (mm) _____________________________________________________________________ Phillips Creek Marsh (irreg. fl.) Marsh/Upland Interface 0 High Marsh 72.5 +14.5 Low Marsh 76.429 +7.384 Creekbank 89.556 +4.865 Hammocks Marsh (reg. fl.) Marsh/Upland Interface 85.0 +4.416 High Marsh 82.133 +4.967 Low Marsh 91.8 +8.564 _____________________________________________________________________