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WASHINGTON, D.C.
Meeting 186
Cosmos Club
Wednesday, January 23, 1907
Waldemar Lindgren, President Ralph Arnold, Meeting Secretary
Frederic Eugene Wright—Geophysical Laboratory—Artificial magnesian-pyroxenes and amphiboles.
Frederick Gardner Clapp—USGS—Local glaciation in Maine.
Willis Thomas Lee—USGS—The late history of the lower Colorado River.
Attendance: 0
Minutes not available.
Published account of meeting