LAEE LAHONTAM PL. y^TU 



it R-i 30 31 3a. 33 



indicated by leffers. 



*« A^ 30 ii 4^1 si i't 







2C 



LACUSTRAL CLAYS 



ii MEDIAL GtUiia. 



. -■- ■'*ifti 



;■ -r^ _ 1 Tt - '-"-■-'- .^g-. '«-" ^^-"-y^^ - LOWER LACUSTRAL CLAyS 





iJN HUMBOLDT CANON, NEVADA. 



/. ('. liuasell, Ueoloijiat. 



