278 CHARLES LAURENCE BAKER 
the California Coast Ranges, the central and northern Appalachians. 
the Alps, and the Himalayas, which are taken as classic types of 
tangentially compressed mountains. 
There may be movements. of mountain-making intensity in 
this province other than those outlined above; but these three 
have been found to be readily determinable. There are physio- 
graphic evidences of intermittency in the most recent uplift in 
central western Nevada. 
