~ Mile 6: A fairly "fresh" (recent) massive rock fall from the Kaibab Limestone onto the north bank of the Colorado River. Hereford and Huntoon (1990) report this rock fall occurred sometime in 1969 or 1970.
The URL is: https://gotbooks.miracosta.edu/gonp/grca/river/html2/grca1020.htm
Last modified: 9/9/2010
