14 GEOLOGICAL SUEVEY OF THE TEERITOEIES. 



a valuable contribution to our knowledge of the geography, geology, 

 and natural history of a very interesting portion of the public domain. 

 I would again extend my cordial thanks to the Secretary of the Interior 

 and to Hon. B. R. Cowen, Assistant Secretary, for their continued aid 

 and encouragement in advancing the objects of the survey. 

 Yery respectfully, your obedient servant, 



F. y. HAYDEK, 

 United States Geologist. 

 Hon. 0. Delano, 



Secretary of tlie Interior. 



