Greenwood, Ned H.,  1932- <br/><br/>
Human environments and natural systems / 
N. H. Greenwood, J. M. B. Edwards 
 - 2nd ed 
 - North Scituate, Mass :  Duxbury Press,  c1979 
 - xii, 548 p :  ill ;  24 cm 
<br/><br/>Includes biliographies and index 
<br/><br/><label>ISBN: </label>0878721681 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection<br/>Human ecology<br/>Land use
<br/><br/><label>LC Class. No.: </label>GF41  / G73 1979 
<br/><br/><label>Dewey Class. No.: </label>301.31  / GRE 1979