Boyce, John Shaw. <br/><br/>
A study of decay in Douglas fir in the Pacific northwest. 
By J.S. Boyce. 
 - Washington,  Govt. print. off.,  1923. 
 - 20 p. viii pl. on 4 l.  23 cm. 
 - U.S. Dept. of agriculture.  Department bulletin no. 1163 .
<br/><br/> Contribution from Bureau of plant industry.  "Literature cited": p. 19. 
<br/><br/><label>LCCN: </label>agr23001222  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Douglas fir--Diseases and pests.
<br/><br/><label>LC Class. No.: </label>SB608.F4  / B6