HAQOB. 



MAMMOTH HOT SPRINGS. 



347 



may be seen rising abruptly from beneath the travertine which rests 

 affainsl them. A scries of terraces extends all the way from the river 

 to the top of the mountain, eight of which are well-defined benches 



8caJ< -.lim-i, u miles. YELLOWSTONE NATIONAL PARK 



with more or less level floors and steep slopes facing the open valley. 

 Seen from any commanding point of view, this series of terraces, 

 inclosed within a mountain gorge suggests the terminal front of a 



