Alex, Robert. Biologist (specializing in mammals). Biology student, Bettendorf, Iowa.
Brown, Robert F. Expedition and Scientific Director. Staff meteorologist, WOC-TV, Davenport, Iowa.
Brown, Beverly. Cave survey team. Case worker, Department of State Welfare, Iowa.
Cate, William. Rescue team leader and explorer. Student at St. Louis University, St. Louis, Missouri.
Cody, William. Cave survey team. Student, University of Missouri, Columbia, Missouri.
Cournoyer, Donald N. Assistant leader and administrative director. Arlington, Virginia.
Deike, George H. III. Geology and Survey teams. Graduate student in geology, University of Missouri, Columbia, Missouri.
Eckel, William. Cave survey team. Glen Mills, Pennsylvania.
Eckel, Carol. Expedition Clerk. Glenn Mills, Pennsylvania.
Evans, James. Topographic survey team. Student at University of Missouri, Columbia, Missouri.
Matthews, Lawrence D. Expedition photographer. National Cash Register Co., Dayton, Ohio.
Peck, Stewart. Biology team. Biology student, Davenport, Iowa.
Peters, William. Supply officer. Purchasing agent, Arlington, Virginia.
Plummer, William. Exploration team. Undergraduate physics major at John Hopkins University
Shillinglaw, Henry M. Cave survey team. Metallurgical engineer, ALCOA, Davenport, Iowa.
Shupe, Donald V. Expedition photographer. Zoology student, California University, Arcata, California.
Straffin, Dean. Topographic survey. Geology student, Davenport, Iowa.
Stellmack, John A. Cave survey team. Instructor in Petroleum Chemistry, Pennsylvania State University, University Park, Pennsylvania.
Tecklin, Gerald. Biology team. Biology student, Grinnell College, Grinnell, Iowa.
Vinall, William. Exploration team. Geology student, Augustana College, Rock Island, Illinois.
White, William B. Cave survey team and mineralogist. Graduate student in geochemistry, Pennsylvania State University, University Park, Pennsylvania.