Iowa :  portrait of the land / 
[Larry A. Stone, lead writer]. 
 - 1st edition. 
 - [Des Moines] :  Iowa Department of Natural Resources,  c2000. 
 - vii, 89 pages :  illustrations (some colored) 
<br/><br/> "Earth Day, April 22, 2000." 
<br/><br/>Includes bibliographical references (p. 88-89). 
<br/><br/><label>ISBN: </label>0967878608 
<br/><br/><label>LCCN: </label>00026091 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources--Iowa.<br/>Human ecology--Iowa.<br/>Natural history--Iowa.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Iowa--Pictorial works.<br/>Iowa--Environmental conditions.
<br/><br/><label>LC Class. No.: </label>S932.I8  / I68 2000 
<br/><br/><label>Dewey Class. No.: </label>333.7/2/09777