CCHMN sites 082021 CAL417 26.59675476, -81.91904068 0.9 no bottom CAL326X 26.53091121, -82.01284272 0.6 no bottom CAL404 26.55945001, -81.92596808 2.1 bottom CAL435 26.64453325, -81.89325334 0.6 no bottom CAL428 26.62082887, -81.90657245 1.5 no bottom