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WASHINGTON, D.C.
Meeting 1195
Cosmos Club, Fla Ave, Powell Auditorium
Wednesday, January 24, 1990
Tom Simkin, President Bruce R. Wardlaw, Meeting Secretary
(Charles) Whitman, II Cross—Red Mountain Museum—C. (Charles) Whitman Cross from rocks to roses.
Sandra H. B. Clark—USGS—Classification of barite deposits.
Charles T. Prewitt—Geophysical Laboratory—Hydrous magnesian silicates: water in the mantle?.
Attendance: 60
Meeting Secretary's Minutes