Wells, Francis Gerritt (1898-1969) Waters, Aaron Clement (1905-1991) Stany Zjednoczone. Geological Survey
Shenon, Philip John (1897-1966) Wells, Francis Gerritt (1898-1969) Stany Zjednoczone. Geological Survey
Reed, John C. (1905-1993) Wells, Francis G. (1898-1969) Stany Zjednoczone. Geological Survey