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WASHINGTON, D.C.
Meeting 577
Cosmos Club
Wednesday, November 8, 1939
John Beaver Mertie Jr., President Parker Davies Trask, Meeting Secretary
Kiguma Jack Murata—USGS—Volcanic ash as a source of silica for the silicification of wood.
William Dennis Collins—USGS—Water analyses.
Thomas Fredrik Weiby Barth—Geophysical Laboratory?—Thermal activity in Iceland.
Attendance: 90
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 30, 485-499