~Mile 65.5: Desiccation cracks preserved in Precambrian-age sedimentary beds of the Galeros Formation in the Lava Creek drainage (about a half mile north of the Colorado River). Water bottle for scale is 10 inches (26 cm) tall.
The URL is: https://gotbooks.miracosta.edu/gonp/grca/river/html2/grca2011.htm
Last modified: 9/9/2010