:n^ote. 



Department of the Interior, 



United States Geological Survey. 

 On the 27th of September, 1882, at the request of Dr. F. V. Hay den, 

 the completion of the pubHcations of the United States Geological and 

 Geographical Survey of the Territories, formerly under his charge, was 

 committed to the charge of tlie Director of the Geological Survey by the 

 following order from the honorable the Secretary of the Interior : 



Department of the Interior, 



Washinffton, Septemher 27, 1882. 

 Maj. J. W. Powell, — 



Director U. S. Geological Stirvei/, Citi/: 

 Sir: The letter of Prof F. V. Hayden, dated June 27th, bearing your 

 indorsement of Jul}* 20th, relating to the unpublished reports of the sur- 

 vey formerly under his charge, is herewith returned. 



You will please take charge of the publications referred to in the same, 

 in accordance with the suggestions made b}' Professor Hayden. 



It is the desire of this office that these volumes shall be completed and 

 published as early as practicable. 

 Very respectfully, 



H. M. TELLER, 



Secretari/. 



Of the publications thus placed in charge of the Director of the Sur- 

 ve}^, the accompanying volume is the first to be issued. It is understood 

 that its preparation was begun in 1871-', by the transmission of a part of the 



manuscript to the Public Printer. 



(iii) 



