~Mile 65.5: View of cliffs of Precambrian-age Cardenas Basalt (above) over sedimentary beds of the Dox Formation in the Lava Creek drainage (about a half mile north of the Colorado River).
The URL is: https://gotbooks.miracosta.edu/gonp/grca/river/html2/grca2010.htm
Last modified: 9/9/2010
