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WASHINGTON, D.C.
Meeting 144
Cosmos Club
Wednesday, May 6, 1903
Charles Willard Hayes, President Walter Curran Mendenhall, Meeting Secretary
Lester Frank Ward†—USGS—Correlation of the Potomac formation in Maryland and Virginia.
Marius Robinson Campbell†—USGS—Pocono rocks in the Allegheny Valley.
(Charles) David White†—USGS/US National Museum—Age of the Mercer group.
† GSW Founder
Attendance: 28
Meeting Secretary's Minutes
Published account of meeting