From Nick Zentner.

Nick Zentner | July 25, 2025
Idaho geologist Shawn Willsey shares Malm Gulch with Skye Cooley and Nick Zentner.
Malm Gulch: https://maps.app.goo.gl/dxumc68tp1hW47ii8
Geology Underfoot in Southern Idaho: https://mountain-press.com/collections/geology-underfoot/products/geology-underfoot-southern-idaho