6 NORTH AMERICAN FAUNA 76 



Fig. 2. The Togiak River and drainage, August 1973- Photo by M. H. Dick. 



black spruce, Picea mariana\ paper birch, Betula papyrifera; and balsam 

 poplar, Populus balsamifera) are found on the main valley floors and 

 lower hills and slopes (Fig. 3). Broken tracts of alder (Alnus spp.) and 

 willow (Salix spp.) are found throughout the area beyond timberline 

 (Fig. 4). Tamarack (Larix laricind), black spruce, aspen (Populus tremu- 



Fig. 3. Vegetation typical of main vaUeyfloc)rs and lower hills and slopes; the T^ 

 River at lower Slate Lake and hills to the west, early June 1974. Photo by D.N. Weir. 



