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WASHINGTON, D.C.
Meeting 807
Cosmos Club, Fla Ave, Powell Auditorium
Wednesday, January 27, 1960
Harry Stephen Ladd, President John Tilton Hack, Meeting Secretary
Wayne Everett Hall—USGS—Geochemical study of the lead-silver ore from the Darwin mine, California.
Charles Storrow Denny—USGS—Formation of fluvial fans.
Isidore Zietz—USGS—The art of aeromagnetic interpretation -- fine comb vs. broad brush.
Attendance: 129
Meeting Secretary's Minutes