Gilbert, Sara. <br/><br/>
CANYONS / 
 Eatyhrocks ! :  Canyons 
BY SARA GILBERT. 
 - 1st edition. 
 - 23 pages :  colour photographs ;  27 cm. 
 - Earth rocks! .
 - Gilbert, Sara.  Earth rocks!  .
<br/><br/>Includes bibliographical references and index. <br/> 
<br/><br/> An elementary exploration of canyons, focusing on the geological evidence that helps explain how and where they form and spotlighting famous examples, such as Arizona's Grand Canyon.  
<br/><br/><label>ISBN: </label>9781628325072 (pbk.s : alk. paper) 9781608188918   RM 128.80 9781566609432 (ebk.) 
<br/><br/><label>LCCN: </label>2017937617 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Canyons--Juvenile literature. <br/>Valleys--Juvenile literature.  <br/>Erosion--Juvenile literature.  <br/>Rocks--Juvenile literature.  <br/>Cliffs--Juvenile literature. 
<br/><br/><label>Dewey Class. No.: </label>551.442