Forestry in nature study.  Issued by the Office of experiment stations in cooperation with the Forest service. 

 - Washington,  Govt., print., off.,  1909. 
 - 10 p.  23 cm. 
 - U.S. Dept. of agriculture. Office of experiment stations. Special circular .
<br/><br/> "References": p. 8-10. 
<br/><br/>
<br/><br/><label>LCCN: </label>agr09002754  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature study.
<br/><br/><label>LC Class. No.: </label>SD252  / .A2 1909