"Froth Veins, Formed by Immiscible Hydrothermal Fluids, in Mercury Deposits, California" by Edgar H. Bailey, laid in behind title page, Geological Survey Bulletin 931-Q, May, 1959, Box: 6, Folder: 38. Personal papers of E.H.S. Bailey, PP 158. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/116389 Accessed November 23, 2024.