PRINCIPLES 



OF 



AMERICAN FORESTRY. 



/, [ 



SAMUEL B. GREEN, 



Professor of Horticulture and Forestry, University of Minnesota; 



Member of the Forest Reserve Board of the State of 



Minnesota; Author of ^* Forestry in Minnesota.^* 



FIRST EDITION. 

 FIRST THOUSAND. 



NEW YORK : I 



JOHN WILEY & SONS. >1 

 London: CHAPMAN & HALL, Limited, 

 1903. 



