V. S. GEOLOOICAL SURVEY 



BULLETIN 707 PLATE LXXVIH 



A COLUMN OF SANDSTONE IN THE COLORADO NATIONAL MONUMENT. 



This national monument has been set aside because of the wealth of detail in the carving and the 

 richness of the coloring of the erosion columns of deep-red sandstone which have become 

 separated from the parent cliff by weatlicring. Photograph furnished by the Denver & 

 Rio Grande Western Railroad. 



