Fault-block mountain and spring, Oregon.April 30, 2017/in fault, Oregon, Steens Mountain/by Marli Miller Basin and Range, fault-controlled https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Marli Miller2017-04-30 20:06:482020-12-10 01:35:48Fault-block mountain and spring, Oregon.