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WASHINGTON, D.C.
Meeting 466
Cosmos Club
Wednesday, May 14, 1930
George Rogers Mansfield, President Carle Hamilton Dane, Meeting Secretary
Clyde Polhemus Ross—USGS—Classification of ore deposits of south-central Idaho.
Frank Charles Schrader—USGS—Antimony deposits.
Charles Wythe Cooke—USGS—Correlation of coastal terraces.
Attendance: 32
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 20, 435-438