Folder includes maps of grass beds and patch reefs in Tague Bay, correspondence with the Smithsonian Tropical Research Institute, handwritten notes, diadema die-off calendar notes, die-off sequence field notes, graphs, drafts of "Progression of Diadema Die-off on St. Croix (U.S. Virgin Is.) and Subsequent Changes Due to the Absence of These Herbivores," and handwritten field notes.