U. S. GEOGRAPHICAL SURVEYS WEST OF THE ONE HUNDREDTH MERIDIAN. 

 1st Lieut. GEO. M. WHEELER, Corps op Engineers, U. S. Army, in charge. 



CHAPTER I. 



IsTOTES 



COLORADO. 



J. T. ROTHROCK, 



SURGEON AND BOTANIST TO THE EXPEDITIONS OP 1873, 1874. AND 1875. 



1 BOT 



