Danielson, Eric W. <br/><br/>
Earth science / 
Eric W. Danielson and Edward J. Denecke 
 - New York :  Macmillan publishing company,  1985 
 - 32 p. :  ill. ;  28 cm 
 - Science at work .
<br/><br/><label>ISBN: </label>0022772200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>550  / DAW 1981