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  • OGS Rock Core Workshop May 21, 2026

    Horace R. Collins Laboratory & Core Repository 3307 South Old State Rd., Delaware, OH, United States

    The Ohio Geological Society Rock Core Workshop THURSDAY, May 21st, 2026 Lunch & Talk begin at 12:00 pm Horace R. Collins Laboratory & Core Repository 3307 South Old State Rd.…

    Free – $300.00
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