Mule riders ascending the South Kaibab Trail after spending a night at Phantom Ranch. The cliffs to the left include the ledge-and-slope forming red beds of the Supai Group. These rocks overly the massive cliff-forming Redwall Limestone.
The URL is: https://gotbooks.miracosta.edu/gonp/grca/html2/grand025.htm
Last modified: 9/2/2010
