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Plate 42.— Classification: SYSTEM Lacustrine, SUBSYSTEM Littoral, CLASS Unconsolidated Shore, subclass Cobble-Gravel, water 

 regime Seasonally Flooded, WATER chemistry Fresh. At the time of photography, the level of Yellowstone Lake was near its 

 seasonal low point. Due to snowmelt, the level of the lake rises to a peak in early July and then slowly declines until the following 

 spring. This entire beach is inundated each summer. (Yellowstone National Park, Teton County, Wyoming; May 1985; Photo 

 by F. C. Golet) 



