U S, GEOLOGICAL SURVEV 



LAKE LAHONTAN PL 11 



Juliu!> Bien & Co Liih 



ROUTES TRWE LED AND AREAS SURVEYED. 



Routes by T. C Russ<*ll ' 

 T.ahoTiUiii Heach-"-— ■' 



Scale: 29 miles •! inch 



O S lO 15 20 *-!5 



Roules by Sdenlilic Assisiaiils 

 "^•o Aivas sur^'cved 



