286 THE ESSENTIALS OF AGRICULTURE 



REFERENCES 



GRAVES, HENRY S. Principles of Handling Wood Lots. 



GREEN, S. B. Principles of American Forestry. 



The Wood Lot, Bulletin 42, Forest Service, United States Department of 



Agriculture. 

 Forest Planting in Western Kansas, Bulletin 32, Forest Service, United 



States Department of Agriculture. 

 A Primer of Forestry, Bulletin 24, Parts I and II, Forest Service, United 



States Department of Agriculture. 

 The Maple Sugar Industry, Bulletin 59, Forest Service, United States 



Department of Agriculture. 

 The Timber Supply of the United States, Circular 97, Forest Service, 



United States Department of Agriculture. 

 Preservative Treatment of Fence Posts, Circular 7/7, Forest Service, 



United States Department of Agriculture. 

 Suggestions to Wood Lot Owners in the Ohio Valley Region, Circular 138, 



Forest Service, United States Department of Agriculture. 



