Jim OConnor - Columbia River Pathways @GeologyNick

Jim OConnor - Columbia River Pathways @GeologyNick

Uploaded May 2025 | Updated September 2026, 1 week ago

Jim O'Connor & Nick Zentner | May 6, 2025
USGS geologist Jim O'Connor guides Nick through the Upper Ellensburg Formation. GEOL 351.

Jim OConnor - Columbia River Pathways

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