V. S. GEOLOGICAL SURVEY 



BULLETIN 707 PLATE XXVII 



THE OLD AND THE NEW IN RA1L1U)ADING. 



That the terra 'baby railroad," applied in derision to the Denver & Rio (iraiule when it was 

 first put in operation, was not ina^jpropriale is shown by a comparison of the tirst locomotive 

 used on the road with a standard Ireight locomolive of the present day. Photographs on the 

 same scale furnished by (he Denver & Rio Grande Western Railroad. 



CATHEDRAL ROCKS. 



Curious forms which the granite assumes in weathering are shown in the Cathedral Rocks, 

 which the train passes a short distance west of the summit. These forms are produced by the 

 scahng I exfoliation) of the granite in curved layers resembling the layers on an onion. 

 Photograph furnished by the Cripple Creek Short Line. 



