A 





EARTH 



SCIENCES 



LIBRARY 



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

 Forest Service in cooperation with the State Geological Survey, the 

 work being done under the direction of the Office of State Cooper- 

 ation in the Forest Service and under the local instructions of the 

 Director of the Survey. By the terms of the cooperative agreement 

 the State is authorized to publish the findings of the investigation. 



