DDaP^?k.RT]VIE]SrT OW THE II^TTERIOR. 



insnTED STATES GEOLOGICAL AND GEOGRAPHICAL SURVEY. 

 F. V. HAYDEN, U. S. Geologist-in-Charge. 



BULLETIN 



OF 



THE UNITED STATES 



GEOLOGICAL AND GEOGRAPHICAL SUEYEY 



OF 



THE TERRITORIES. 



VOLUME lY NUMBER 4 



WASHIl^GTO]^: 



GOVERNMENT PRINTING OFFICE. 



December 11, 1878. 



