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WASHINGTON, D.C.
Meeting 510
Cosmos Club
Wednesday, January 10, 1934
Henry Gardiner Ferguson, President William Drumm Johnston Jr., Meeting Secretary
Lawrence Martin—Library of Congress—A standard map of the maxima of Pleistocene glaciation in North America.
William Glenn Hoyt—USGS—Forests and stream flow.
Edwin Thor McKnight—USGS—Origin of the zinc and lead deposits of northern Arkansas.
Attendance: 67
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 24, 486-495