Carl L. Carlson, Carlson Brothers Jewelry, Tacoma The Veins of Ellensburg Blue Agate

Brian F. Atwater, U.S. Geological Survey Volcanic Ash in a Varved Record of Missoula Flood Periodicity Newsletter

When: September 20-28, 2025 Subject: SE England, Cornwall and Somerset Leader: Chris Darmon and Colin Schofield Cost: $2750.00 (sharing in rtwin/double) or $3190.00 single (max 3) Deposit of $750.00 per […]