322 OUR FORESTS 



6. Show several ways in which our forests may be saved and increased by 

 scientific methods of forestry. 



Problem and Project References 



Hunter, Laboratory Problems in Civic Biology. American Book Company. 



Emerson and Weed, Our Native Trees. J. B. Lippincott and Company. 



Matthews, Familiar Trees and Their Leaves. D. Appleton and Company. 



JMayne and Hatch, High School Agriculture. American Book Company. 



Pack, The School Book of Forestry. The American Tree Association. 



Pinchot, A Primer of Forestry, Division of Forestry, United States Depart- 

 ment of Agriculture. 



Pinchot, The Training of a Forester. J. B. liippincott and Company. 



Coulter, Barnes, and Cowles. A Textbook of Botany, Part I and Vol. II. Ameri- 

 can Book Company. 



Farmers' Bulletins: 265, 963, 1208, 1209, 1241, 1417. 



Annual Reports of the Forest Service. 



