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WASHINGTON, D.C.
Meeting 622
Cosmos Club
Wednesday, April 12, 1944
George Tunell, President John Van N. Dorr, Meeting Secretary
Victor Thomas Allen—USGS—Sedimentary and volcanic processes in the formation of high-alumina clays.
Stephen Edmund Clabaugh—USGS—Paragenesis of the tungsten ore of the Ima mind, Idaho.
Joseph Désiré Hubert Donnay—University of Laval, Canada—Twinning, isomorphism and epitaxy.
Attendance: 84
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 35, 196-199