North American Fauna No. 55. U. S. Dept. of Agriculture, Biological Survey 



PLATE 2 



STEENS MOUNTAINS (9,354 FEET ALTITUDE). 



B17230; B16313 



A, East face, showing successive lava flows and permanent snow banks in head of Kiger Gorge; B, com- 

 paratively recent flow of surface lava, near Cow Creek Lakes, southeastern Malheur Ccunty (photo- 

 graph by Edward A. Preble, 1915). 



