Scope and Contents From the Sub-Series: This subseries contains correspondence files for William L. Honnold for the period 1919-1930. Approximately half the correspondence relates to fellow mining engineers in the United States, South Africa, and Great Britain. Honnold maintained correspondence with several of these individuals, including Samuel Evans, Fred Hellman, Charles W. Moore, and Thomas Arthur Rickard, for decades. Seeley G. and Harvey S. Mudd, Lewis Webster Wickes, and Philip Wiseman shared offices with Honnold and...