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WASHINGTON, D.C.
Meeting 290
Cosmos Club
Wednesday, January 27, 1915
Thomas Wayland Vaughan, President C. H. Wegemann, Meeting Secretary
Edson Sunderland Bastin and James Madison Hill—USGS—Ore deposits of Gilpin County, Colorado.
Stephen Reid Capps Jr.—USGS—An estimate of the age of the last great glaciation in Alaska.
Ernst de Koven Leffingwell—USGS—Ground ice wedges.
Attendance: 0
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 5, 185-187