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WASHINGTON, D.C.
Meeting 576
Cosmos Club
Wednesday, April 26, 1939
John Beaver Mertie Jr., President Parker Davies Trask, Meeting Secretary
David Tressel Griggs—Harvard University—Convection currents and mountain building.
Charles Kenneth Leith—USGS/University of Wisconsin—Present state of some international mineral problems.
Attendance: 136
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 30, 485-499