12 UNITED STATES FOREST POLICY 



and from Gifford Pinchot, William L. Hall, and Herbert A. Smith, 

 regarding the work of the Forest Service. Thanks are due particularly 

 to Editor Herbert A. Smith of the Forest Service for a careful read- 

 ing of the manuscript, and for many suggestions and criticisms of the 

 greatest value. Others to whom acknowledgment is due for advice and 

 help, are Doctor Charles Walcott of the Smithsonian Institute, 

 Doctor B. E. Fernow of Toronto University, and Senator Pettigrew 

 of Sioux Falls, South Dakota. 



In making acknowledgment to those who have assisted in the pre- 

 paration of this book, the writer ventures the hope that these friends 

 will not have to share in the responsibility for any faults that may 

 appear in the work. 



