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WASHINGTON, D.C.
Meeting 578
Cosmos Club
Wednesday, November 22, 1939
John Beaver Mertie Jr., President Parker Davies Trask, Meeting Secretary
Philip Burke King—USGS—Persistent structural trends in in Guadelupe Mountain region, Texas.
Frank Neumann—US Coast and Geodetic Survey—Seismographic evidence of deep focus earthquakes.
William Donald Urry—Geophysical Laboratory—Measurement of geologic time.
Attendance: 55
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 30, 485-499