CCHMN sites 06152022 CAL463 26.70355911, -81.78043526 0.3 no bottoms CAL428 26.62725058, -81.90035653 1.8 no bottoms CAL387 26.53128364, -81.976185 1.5 no bottoms CAL418 26.59920919, -81.90055973 2.7 bottoms CAL435 26.64182611, -81.88428451 2.4 bottoms