INTRODUCTORY LETTER. 



-o- 



Office of the Arkansas Survey, ) 

 New Harmon}/, Indiana. October 15th, 1858. J 

 David Dale Owen, M. D. — 



Dear Sir: I herewith submit my Report of a Geological Reconntis- 

 sance, made in the State of Arkansas, during the fall of 1857, and summer 

 of 1858; prosecuted in accordance with instructions received from you, at 

 different times, while progressing with the survey. 



Allow me, also, to acknowledge here, the many obligations I owe to 

 you for valuable counsel and aid, while carrying forward the survey, under 

 your direction. 



Most respectfully yours, 



E. T. COX. 



