Hogbacks of Fountain Formation, Colorado.April 30, 2017/in /by Marli Miller erosion, strike valley, sedimentary 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 19:43:432017-09-06 21:34:34Hogbacks of Fountain Formation, Colorado.
