5.:. 
IS', 
mm 
> ' < 
14381. Yellowstone Park, West Ihunb. Calcareous algae 
aroimd hot springs* 
436A* Yellows tone Parley West iTlmnb, Hot Springs* 
143 7A. Yellows tone Park, West Tliunb. Party of 
tourists. 
1439A. Yellowstone Park, Lewis Falls. 
