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WASHINGTON, D.C.
Meeting 147
Cosmos Club
Wednesday, December 9, 1903
Charles Willard Hayes, President Walter Curran Mendenhall, Meeting Secretary
(Charles) David White†—USGS/US National Museum—Notes on the deposition of the Appalachian Pottsville.
George Herbert Girty—USGS—A comparison of some Carboniferous sections in Pennsylvania and Ohio.
Harry Foster Bain—USGS—Fluorspar deposits of southern Illinois.
† GSW Founder
Attendance: 37
Meeting Secretary's Minutes
Published account of meeting