DEPARTMENT OF THE INTERIOR. 



REPORT 



<; 



raiTED STATES GEOLOGICAL SURVEY 



or 



THE TERRITORIES. 



F. V. I-IA^YDEN, 



UNITED STATES O EOLOli IST-I N-C H A RO R . 



VOLUME XL 



WASniNOTOX: 



QOVKItNMENT PUINTINO OFFICE. 



1877. 



