Ketchum, Richard M. <br/><br/>
The secret life of the forest 
[by] Richard M. Ketchum. Conceived and produced in cooperation with the St. Regis Paper Company. 
 - New York  American Heritage Press  [1970] 
 - 108 p.  illus. (part col.), col. maps.  29 cm. 
<br/><br/><label>ISBN: </label>0070344183 
<br/><br/><label>LCCN: </label>73117353  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forest ecology<br/>Trees<br/>Forests and forestry--United States.
<br/><br/><label>LC Class. No.: </label>QK938.F6  / K4 
<br/><br/><label>Dewey Class. No.: </label>582.16  / K43s