U S GEOLCGtCAL SUR-VE-^ 



TjAKE IAHONTAN PL V 



Jiilm& Bifn & Co. Lilh 



DKPTH OF LAKK LAHONTAN AT HIGHEST WATEK STAG!-: 

 Sof/nciirtf/&- t/ivffi tji Ceet . 



Scale ■ 2ii miles ■ 1 inch 



15 -X) 25 



