Looking up Colorado's Grand Valley on I-70 near De Beque.

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Looking up Colorado's Grand Valley on I-70 near De Beque. These are not the Rocky Mountains; they are mudstones just west of the Rockies, deposited in a gigantic lake after the Rockies were formed, and then cut through by the Colorado River.

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Size: 7286px × 2632px
Location: Interstate 70, Debeque, Colorado, USA
Photo credit: © Ken Barber / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 70, beque, colorado, de, geology, grand, interstate, mountains, mudstone, piceance, slope, travel, valley, west