^ 



IDEPj^RTMiENT OIT' THE INTERIOR. 



A"4~1..- 



BULLETIN 



THE UNITED STATES 



GEOLOGICAL AND GEO(JRAPHICAL SURVEY 



THE TEREITORIES. 



F. V. HAYDEN, 



TJ. S. GrEOriOG-IST-IN-CIIARG-E. 



1877 



voLXJ]N/iE iir: 



WASHINGTO^^: 



GOVE RXil EXT PRIXTIXG OFFICE. 



1877. 



