Bul. 54, U. S. Dept. of Agriculture. PLATE III. 
FiG. 1.—SOUTHEAST CORNER OF ABERT LAKE, OREG. 
[The high-water line of the ancient lake is visible about one-fourth way up the mountain slope 
on the right. | 
FIG. 2.—PLAYA OF ALKALI LAKE, OREG. 
[Showing the Lahontan period lake terraces at the foot of the mountains in the distance. ] 
