George Tobias Faust and Eugene C. Callaghan—USGS—Mineralogy and petrology of the Currant Creek magnesite district, Nevada.
Wilmot Hyde Bradley, Kenneth Elmo Lohman, and A. H. Frazier—USGS—A machine for obtaining true perspective diagrams from maps.
View all talks from 1944 | Go to Meeting number 620 | Go to Meeting number 622 |