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WASHINGTON, D.C.
Meeting 503
Cosmos Club
Wednesday, April 12, 1933
Clarence Norman Fenner, President Thomas B. Nolan, Meeting Secretary
Philip John Shenon and J. C. Reed—USGS—The relationship of the quartz veins to the regional structure in the Elk City district, Idaho.
Francois Emile Matthes—USGS—The Pleistocene diversion of the Mississippi River across Crowleys Ridge, southeastern Missouri.
Attendance: 76
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 23, 567-576