U S GEOLOGICAL SURVEV 



LiAKE LAHONTAN PL I 



Jiiliufc Bipn & Co- Lilh """ 



QITATERNARY LAKES. OK THE GREAT RASIN. 



Quaternan.' Lakes fy^^ Boundan,- of Ih^ Crral Basin ^ 



Scale of Milett 



Area repi'escnlf d on Plate 



xm.Q 



ioo^Ts ao 30 



