Davis, Ray J. <br/><br/>
Ecology and conservation of natural resources / 
Ray J. Davis. 
 - Idaho :  Clark Pub. Co.,  1978. 
 - 187 p. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Conservation of natural resources.