VALDOSTA STATE MAGAZINE 17 Aside from his advanced scuba diving gear, Dr. Timothy Henkel鈥檚 data- retrieval tools are relatively modest 鈥� a clipboard, pieces of underwater paper, and an underwater pencil to record the species along the transect. He looks for organisms, such as the difficult to see, multicolored sea urchin. Photo: Gregory B. McFall, diving program manager for the National Oceanic and Atmospheric Administration.