Hilt, Donald E. <br/><br/>
A test of commercial thinning on the hemlock experimental forest / 
Donald E. Hilt, Francis R. Herman and John F. Bell 
 - Washington, D.C. :  U.S. Dept. of Agriculture, Forest and Range Experiment Station,  1977 
 - 11 p. :  ill. ;  29 cm. 
 - USDA forest service research paper ;  PNW-225 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forests and forestry<br/>Forestry
<br/><br/><label>Dewey Class. No.: </label>634.9