Krajewski, Roman (1906-1993)
Capps, Stephen Reid (1881-1949) Moffit, Fred Howard (1874-1958?) United States of America. Geological Survey.
Mertie, John Beaver (1888-1980) Stany Zjednoczone. Geological Survey
Lasky, Samuel G. (1901- ) United States of America. Geological Survey.
Mertie, John Beaver (1888-1980) United States of America. Geological Survey.
Tuck, Ralph (1904-?) United States of America. Geological Survey.
Shenon, Philip John (1897-1966) Wells, Francis Gerritt (1898-1969) United States of America. Geological Survey.
Schrader, Frank Charles (1860-1944) United States of America. Geological Survey.
Ross, Clyde Polhemus (1891-1965) United States of America. Geological Survey.
Ross, Clyde Polhemus (1891-1965) United States of America. Geological Survey.
Gilluly, James (1896-1980) Reed, John Calvin (1905-1993) Park, Charles F. (1903-1990) United States of America. Geological Survey.