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WASHINGTON, D.C.
Meeting 245
Cosmos Club
Wednesday, May 10, 1911
Alfred Hulse Brooks, President Robert Van Vleck Anderson, Meeting Secretary
Norman Levi Bowen—Geophysical Laboratory—The anorthite-nephelite series.
George Curtis Martin—USGS—The classification of higher grade coals.
Waldemar Lindgren†—USGS—On the classification of ore deposits.
† GSW Founder
Attendance: 0
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 1, 293-296