Background
Crawford, Ralph Dixon was born on March 7, 1873 in near Peotone, Illinois, United States. Son of Ralph and Nancy Elizabeth (Cotes) Crawford.
Crawford, Ralph Dixon was born on March 7, 1873 in near Peotone, Illinois, United States. Son of Ralph and Nancy Elizabeth (Cotes) Crawford.
Preparatory education Northern Indiana Normal School. Bachelor of Arts, University Colorado, 1905, Master of Arts, 1907. Doctor of Philosophy, Yale, 1913.
Teacher public schools, Illinois, Texas, Colorado until 1902. With U. Colorado, since 1904, successively as assistant in geology, 1904-1907, instructor, 1907-1908, assistant professor, 1908-1914, professor mineralogy and petrology, since 1914. Field assistant United States Geological Survey, summer 1906.
Assistant Colorado Geological Survey, 1907-1909, geologist, 1909-1925.
Fellow of the American Association for the Advancement of Science, Mineral Society American, Geological Society American. Member American Association University professors, Sigma Xi.
Married Theophania Huntington, September 5, 1907.