

ENGINEER DEPARTMENT, UNITED STATES ARMY. 





REPORT 



uros 



GEOGRAPHICAL AND GEOLOGICAL 



EXPLORATIONS AND SURVEYS 



WEST OF THE ONE HUNDliEDTH MERIDIAN, 



IN C1IABGE OF 



FIRST LIEUT. GEO. M. WHEELER, 



CORPS OF ENGINEERS, U. S. ARMY, 



UNDEK THE DIRECTION OF 



BRIG. GEN. A. A. HUMPHREYS, 



CniEF OF ENGINEERS, U. S. ARMY. 



PUBLISHED BY AUTHORITY OF THE HONORABLE THE SECRETARY OF WAR, 



IN ACCORDANCE WITH ACTS OF CONGRESS OF JUNE 23, 1874, AND FEBRUARY 15, 1875. 



IN SIX VOLUMES, ACCOMPANIED BY ONE TOPOGRAPHICAL AND ONE 

 GEOLOGICAL ATLAS. 



CHAPTER I. 



VOL. V-Z00L0GY, 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1875. 



