U. 8. GEOLOGICAL SURVEY 



BULLETIN 612 PLATE XXXVI 



"W 



A, SNOW ON THE NORTH END OF THE HUMBOLDT MOUNTAINS. 

 Viev^ from a point near Imlay, Nev. Photograph furnished by Southern Pacific Co 



B. HOT SPRING NEAR ELKO, NEV. 

 Photograph furnished by Southern Pacific Co. 



