UNITED STATES GEOLOGICAL SURVEY 



CHARLES D. WALCOTT, DIRECTOR 



GEOLOGY 



YELLOWSTONE NATIONAL PARK 



PART II 

 DESCRIPTIVE GEOLOGY, PETROGRAPHY, AND PALEONTOLOGY 



ARNOLD HAGUE, J. P. IDDINGS, W. H. WEED 



C. D. WALCOTT, G. H. GIRTY, T. W. STANTON, AND F. H. KNOWLTON 



m 





-: 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1899 



