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WASHINGTON, D.C.
Meeting 725
Cosmos Club, Mass Ave, Assembly Hall
Wednesday, March 25, 1953
Arthur Alan Baker, President R. P. Bryson, Meeting Secretary
Vincent Ellis McKelvey—USGS—Permian phosphorites of western United States.
Markley Gordon Wolman—USGS—Equilibrium and grade in a natural river channel.
Irving A. Breger—USGS—Radioactivity and the origin of petroleum.
Attendance: 135
Meeting Secretary's Minutes