PRINCIPLES 



OF 



AMERICAN FORESTRY. 



SAMUEL B. GREEN, 



Professor cf 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: 



JOHN WILEY & SONS. 



London: CHAPMAN & HALL, Limited. 



1903. 



