BULL. GEOL. SOC. AM. 



VOL. 7, 1895, PL. 1 



Figure i.— Bluff on Highwood River. 



Showing two boulder-clays, the higher passing above into stratified silts. The base of the 

 bonlder-clay here rests directly on Laramie rocks. 



M'^:^ii-^^f.*s 



Figure 2. — Part of Section on Bow River near Calgary. 

 Showing clayej' Saskatchewan gravels overlain bj' boulder-clay. 



BOULDER-CLAYS AND SASKATCHEWAN GRAVELS. 



