Basalt at Middle N Falls, Silver Falls, OR (square) June 24, 2020/in /by Marli Miller waterfalls https://geologypics.com/wp-content/uploads/2017/07/geology-pics.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/07/geology-pics.png Marli Miller2020-06-24 01:57:462020-06-24 01:59:43Basalt at Middle N Falls, Silver Falls, OR (square)