U. S. GEOLOGICAL SURVEY 



BULLETIN 612 PLATE XLIV 



A, TRUCKEE RIVER CANYON NEAR FLORISTON. CAL. 



View of the narrower pait of the canyon through the Carson (or front) Range of the Sierra. Shows volcanic 

 breccia in the ledges in the foreground and sparsely timbered lower slopes. Photograph furnished by the 

 Southern Pacific Co. 



B, TRUCKEE, CAL., LOOKING EAST TOWARD THE CARSON RANGE. 



View taken froni the lower end of the glacial moraines found in Truckee Valley, the upper part of the town 



being built on the terrace-like surface. Photograph furnished by Southern Pacific Co. 



