Beneath the Surface: Desert Mussels, ONDA Mar 19 Beneath the Surface: Desert Mussels, ONDA 6:00 pm - 7:00 pm FREE
Northwest Geology with Friends of Mt Tabor Jun 28 Northwest Geology with Friends of Mt Tabor 2:00 pm - 3:00 pm Free
Northwest Geology with Friends of Mt Tabor Jul 26 Northwest Geology with Friends of Mt Tabor 2:00 pm - 3:00 pm Free
Portland Regional Gem & Mineral 2026 Annual Show Oct 4 Portland Regional Gem & Mineral 2026 Annual Show 10:00 am - 5:00 pm $7
