Throughout the middle and downstream sections of Lake Powell about a dozen rock units can be seen. All are sedimentary in origin. Of these, only about four are exceptionally prominent, and three of … [Read more...]
Phantom Ranch, Grand Canyon, Sedona and the Southwest
By Gary Ladd
Throughout the middle and downstream sections of Lake Powell about a dozen rock units can be seen. All are sedimentary in origin. Of these, only about four are exceptionally prominent, and three of … [Read more...]