Thompson, Margaret Hollinshead,  1892- <br/><br/>
The conservation of Northwest resources. 
Editors: Margaret Thompson [and] Otis W. Freeman. 
 - Seattle,  Northwest Conservation League  [1951, c1950] 
 - 281 p.  illus.  22 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>agr51000018  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources--Northwest, Pacific.
<br/><br/><label>LC Class. No.: </label>HC107.A19  / T5 
<br/><br/><label>Dewey Class. No.: </label>333.72