Arms, Karen <br/><br/>
Environmental science 
Karen Arms 
 - Philadelphia  Saunders College Publishing  1990 
 - xix, 468 p., I.21 : ill. (some col.), maps ; 29 cm. 
<br/><br/> Map on front lining papers. 
<br/><br/>Includes bibliographical references (p. 450-460) and index. 
<br/><br/><label>ISBN: </label>003007178X 
<br/><br/><label>LCCN: </label>89-043104 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Study and teaching (Secondary)<br/>Environmental education<br/>Pollution--Environmental aspects--Study and teaching (Secondary)<br/>Environmental protection--Study and teaching (Secondary)<br/>Natural resources--Study and teaching (Secondary)<br/>Land use--Study and teaching (Secondary)