As part of the celebration of ESCONI's 70th Anniversary, here is Flashback Friday post #40. If you have pictures or stories to contribute, please send them over to [email protected]. Thanks!
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Here are pictures to a quarry in Lemont, IL in 1952. The Lemont quarries were known for the diversity of the trilobites that could be found. The one pictured below in Calymene celebra, which is the State Fossil of Wisconsin.
