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WASHINGTON, D.C.
Meeting 584
Cosmos Club
Wednesday, March 13, 1940
Joseph Thomas Pardee, President Roland Wilbur Brown, Meeting Secretary
Edgar Lee Stephenson—USGS—Geophysical and geological investigations of the Casper Mountain chromite deposit, Wyoming.
Sterling Brown Hendricks—US Department of Agriculture—Base exchange and properties of clays.
Attendance: 72
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 31, 168-172