Colvocoresses, G.M., Meteor Crater
Letter from G. M. Colvocoresses (Meteor Crater Exploration & Mining Company) to Carl Lampland, January 13, 1932, 1932-01-13
Favorable results with the discovery of meteoric material at Meteor Crater confirming the theories and conclusions of the late Mr. Barringer, et al
Barringer, Daniel M., Jr., Meteor Crater
Affects of the Great Depression
Letter from Daniel M. Barringer, Jr. to Carl Lampland, March 14, 1933, 1933-03-14
Papers on Meteor Crater
Odessa crater
Richard Barringer
The hard economic times have made it necessary to discontinue explorations at the…
Barringer, Daniel M., Jr., Meteor Crater
Affects of the Great Depression
Letter from Daniel M. Barringer, Jr. to Carl Lampland, July 5, 1931, 1931-07-05
Daniel M. Barringer, Jr.'s article on Meteor Crater in Scientific American
Exploration work at Meteor Crater temporarily suspended due to the…