Montana Library Network Presents: Cob Building with Daniel Ray. This presentation will cover a range of building applications such as cob houses, strawbale walls, earthen floors, and rocket mass heaters. Earthen construction is one of the oldest building methods in the world made from the ground beneath us. It's been used for thousands of years to create homes that are beautiful, durable, and sustainable. To join this virtual event via Zoom go to https://tinyurl.com/COBAPRIL2026 to register and receive your Zoom link.