PREFATORY STATEMENT 



The study upon which this report is based was undertaken by the State 

 Geological Survey in cooperation with the Forest Service, the work be- 

 ing done under the office of State Cooperation in the Forest Service, and 

 under the local instruction of the State Geologist of Tennessee. By the 

 terms of the cooperative agreement the state is authorized to publish the 

 findings of the investigation. At the time arrangements for the work 

 were made, George H. Ashley was State Geologist, but he subsequently 

 resigned and was succeeded by A. H. Purdue. 



