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WASHINGTON, D.C.
Meeting 528
Cosmos Club
Wednesday, April 10, 1935
Waldemar Theodore Schaller, President George Tunell, Meeting Secretary
Charles Frederick Park Jr. and R. A. Wilson—USGS—The Battle Branch gold mine, Auraria, Georgia.
William Walden Rubey—USGS—The force required to move particles on a stream bed.
Francois Emile Matthes—USGS—Origin and age of the eastern escarpment of the Sierra Nevada.
Attendance: 83
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 25, 564-574