Brooks, Alfred Hulse (1871-1924) United States of America. Geological Survey.
Brooks, Alfred Hulse (1871-1924) United States of America. Geological Survey.
Chapin, Theodore (1876-?) Eakin, H. M. Canfield, G. H. United States of America. Geological Survey.
Capps, Stephen Reid (1881-1949) United States of America. Geological Survey.
Mertie, John Beaver (1888-1980) United States of America. Geological Survey.
Overbeck, R. M. Maddren, Alfred Geddes (1875-?) United States of America. Geological Survey.