L oaa L>- 



DICPART^vlKNT OB"" THE I>rTER.IOR. 



UNITEO STATES GEOLOGICAL A.VD C-EOuRAPHICAL SUKVEY. 

 F. V. HAYDEN, U. S. Gk J:A»»ii'ii-iN-CHARGE. 



BULLETIN 



OF 



THE UNITED STATES 



GEOLOGICAL AND GEOGRAPHICAL SURVEY 



THE TERRITORIES 



VOLUME y NUMBER 4. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 September 30, 1880. 



