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WASHINGTON, D.C.
Meeting 419
Cosmos Club

Wednesday, May 12, 1926

Nelson Horatio Darton, President          Wendell Phillips Woodring, Meeting Secretary

Waldemar Theodore Schaller—USGS—What is a gem stone?.

Charles Elmer Resser—US National Museum—The Cambrian in the Rocky Mountains.

Arthur James Collier—USGS—The unconformity between the Madison limestone and Ellis formation in northern Montana.

Attendance: 22
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 17, 118-132

View all talks from 1926 Go to Meeting number 418 Go to Meeting number 420