Glacial tarn, ColoradoApril 30, 2020/in /by Marli Miller granite, peaks, glacial erosion 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 Miller2020-04-30 12:07:512020-04-30 12:08:27Glacial tarn, Colorado