1 

 HOW TO MAKE 



IMPROVEMENT THINNINGS 



MASSACHUSETTS WOODLANDS 



BY 



H. O. COOK, M.F., ASSISTANT 



UNDER THE DIRECTION OF 



F. W. RANE, STATE FORESTER 



BOSTON 



WRIGHT & POTTER PRINTING CO., STATE PRINTERS 



\8 POST OFFICE SQUARE 



1910 



