Petersen, Morris S. <br/><br/>
Interpreting earth history  a manual in historical geology 
Morris S. Petersen, J. Keith Rigby 
 - 6a 
 - v, 228 p.  il.  28 cm. 
<br/><br/><label>ISBN: </label>0697282902 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología - historia
<br/><br/><label>Dewey Class. No.: </label>551.7  / PET 1999