J. David Rogers'
Grand Canyon Research
EVIDENCE
OF CATASTROHPIC EROSIONAL EVENTS IN THE
GRAND CANYON OF THE COLORADO RIVER, ARIZONA
-Paper
written by J. David Rogers and Marvin Pyles for the
Second Conference On Scientific Research In The National Parks
26-30 November 1979, San Francisco, California
Questions or comments
on this page?
E-mail Dr. J David Rogers at rogersda@mst.edu.