Erickson, Jon,  1948- <br/><br/>
A history of life on earth :  understanding our planet's past / 
Jon Erickson. 
 - New York :  Facts on File,  c1995. 
 - xii, 244 p. :  ill., maps ;  25 cm. 
 - The changing earth series .
 - Erickson, Jon,  1948-  Changing earth. .
<br/><br/>Includes bibliographical references (p. 230-236) and index. 
<br/><br/><label>ISBN: </label>0816031312 (acid-free paper) 
<br/><br/><label>LCCN: </label>94025290 //r96 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Historical geology.
<br/><br/><label>LC Class. No.: </label>QE28.3  / .E75 1995 
<br/><br/><label>Dewey Class. No.: </label>560