466 LOGGING 



BIBLIOGRAPHICAL NOTE TO CHAPTER XXVI 



Hough, F. B.: Statistics of Forest Products Used as Tanning Materials. 

 Report on Forestry Submitted to Congress by the Commissioner of Agricul- 

 ture, Washington, 1882, pp. 68-128. 



Jepson, W. L., and Betts, H. S.: California Tan Bark Oak, Bui. No. 75, U. S. 

 Forest Service, Washington, 1911. 



