Cook, Harold O. <br/><br/>
How to make improvement thinnings in Massachusetts woodlands / 
by H. O. Cook, under the direction of F. W. Rane. 
 - Boston :  Wright & Potter Printing Co., State printers,  1910. 
 - 21 p., [9] leaves of plates :  ill. ;  23 cm. 
<br/><br/> "In 1905 the Massachusetts State Forester published a small pamphlet on "Improvement Thinnings."  The edition of this pamphlet has ... been exhausted."--Introd.  A third edition was published in 1914 under title: Instructions for making improvment thinnings and the management of moth-infested woodlands. 
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<br/><br/><label>LCCN: </label>agr10000334  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forests and forestry--Massachusetts.
<br/><br/><label>LC Class. No.: </label>SD401  / .M4