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WASHINGTON, D.C.
Meeting 698
Cosmos Club
Wednesday, February 28, 1951
Albert Nelson Sayre, President William Gamewell Pierce, Meeting Secretary
Wilbert Henry Hass—USGS—Age of the Arkansas novaculite.
Delos Edward Flint—USGS—The Ryukyu arc.
William Edward Davies—USGS—Terrace systems of the Potomac basin..
Attendance: 138
Meeting Secretary's Minutes