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WASHINGTON, D.C.
Meeting 261
Cosmos Club
Wednesday, November 27, 1912
Timothy William Stanton, President Ralph Webster Richards, Meeting Secretary
Claude Ellsworth Siebenthal—USGS—The Joplin lead and the zinc deposits.
Edson Sunderland Bastin—USGS—Secondary sulfite enrichment in silver.
Chase Palmer—USGS—The quality of the water obtained by leaching feldspar, a critique.
Attendance: 0
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 3, 50-52