1. Department of Geology and Geophysics Woods Hole Oceanographic Institution Woods Hole MA USA
2. Department of Oceanography Texas A&M University College Station TX USA
3. Department of Marine and Coastal Environmental Science Texas A&M University at Galveston Galveston TX USA
4. Department of Earth and Ocean Sciences Old Dominion University Norfolk VA USA
5. Coastal Cave Survey West Branch IA USA
6. Department of Earth and Ocean Sciences University of North Carolina Wilmington Wilmington NC USA
7. Department of Geosciences University of Alaska Fairbanks Fairbanks AK USA
8. Department of Geosciences University of Massachusetts Amherst MA USA