Reconnaissance for Radioactivity in the Metal-mining Districts of the San Juan Mountains, Colorado
Robert Bruce Raup, Harry Clifford Granger, W. F. Weeks, J. H. Stewart, Charles Thomas Pierson, Edwin Robert Landis, James G. Stephens, Roy Clark Kepferle, Tom Gray Lovering, Ernest Pete Beroni, George A Williams, Marion Joseph Bergin, Frank Joseph Kleinhampl, Howard Franklin Albee, Robert Allen Cadigan
