This is Throwback Thursday #92.  In these, we look back into the past at ESCONI specifically and Earth Science in general.  If you have any contributions, (science, pictures, stories, etc …), please send them to esconi.info@gmail.com.  Thanks!

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25 Years Ago – January 1997

• The speaker at the General Meeting was ESCONI member Warren Valsa, who did a presentation on the micro fauna fossils of Central Montana.
• The Paleontology Study Group was discussing Ordovician fossils.
• The Mineralogy Study Group was discussing copper again… the White Pines Copper Mine in the Upper Peninsula of Michigan.
• Archaeology was learning about the Terra Cotta warriors of China.
• Karl Everett became President of ESCONI.
• The American Federation of Mineralogical Societies (AMFS) was celebrating its 50th anniversary.

50 Years Ago – January 1972

• The speaker for the General Meeting was Dr. Edward J. Olsen, Curator of Mineralogy, Geology Division for the Field Museum. He presented on meteorites.
• The Paleontology Study Group discussed the latest development in Pit 11.  Jim Konecny led the discussion.
• The Mineralogy Study Group looked at “Copper Minerals”.
• On January 8th, the Lizzadro Museum had a lecture/slide show called “Dinosaurs”.
• On January 15th, there was a field trip to the Oriental Institute at the University of Chicago.
• Jean Reynolds became president of ESCONI.

70 Years Ago – January 1952

• The General Meeting had Professor L. L. Sloss of Northwestern University.  The topic was “Practical Uses For Paleontologists”.
• December 1st, 1951 was the first meeting of the Archaeology Study Group
• An announcement in the newsletter said that ESCONI members could get a subscription discount on “Lapidary Journal”, “Mineral Notes and News”, and “Desert Magazine”.
• The newsletter had a short article about the new method of measuring the age of archaeological and geologic specimens… C₁₄ dating.