VOL. 24, 1912, PL. 13 



Deposits of pre- Wisconsin glacial 

 drift and associated grave! capping 

 high ridges whose tops are remnants 

 of the highest or Black foot pene- 

 I'hin (moping not complete). 



:NE DEPOSITS ON PLAINS BORDERING THE ROCKY MOUNTAINS I ° F GLAC 'ER NATIONAL PARK, MONTANA 



WILLIAM C. Alden and Eogene Steb.nger, U. S. *•» J. 1912 



