182 
THE GEAND OA^TO^T DISTRICT. 
miles from the river. Several large amphitheaters of the second and third 
orders open into it, scooped out of the great monocline, and these are always 
very fine and imposing. North of the Kwagunt is another one, cut out of 
the East Kaibab monocline, and it opens into the lower portion of the Mar- 
ble Canon. It compares favorably with the others. Further northward 
several large recesses are excavated in the eastern flank of the Plateau, but 
they all debouch upon the Marble Canon platform. These will be alluded 
to hereafter. 
