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WASHINGTON, D.C.
Meeting 531
Cosmos Club
Wednesday, November 13, 1935
Waldemar Theodore Schaller, President George Tunell, Meeting Secretary
Marius Robinson Campbell†—Retired—The origin of the material forming the alluvial fan of Potomac River.
Ernst Cloos and G. H. Hershey—Johns Hopkins University—Structural age determinations of Piedmont granites.
† GSW Founder
Attendance: 82
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 26, 383-394