IJKI'^RTlVLElISrT OW THE INTERIOR. 



BULLETIN 



OF 



\ THE UNITED STATES 



GEOLOGICAL AND GEOGEAPHICAL SURVEY 



OF 



THE TERRITORIES. 



F. V. HAYDEN, 



TJ. S. GS-EOLO&IST-IN^-CII^RGrE. 



1878. 



mAPm 



COLLECTION 



volxjm:e IV. \4-4<^<^<^ 



WASHII>5"GTOI^: 



GrOVERNMENT PEINTINa OFFICE. 



1878. 



