Mazon Creek fossils 
edited by Matthew H. Nitecki 
 - New York  Academic Press  1979 
 - 581p. ill. 24cm 
<br/><br/> Papers presented at the Mazon Creek Fossils Symposium held in Ann Arbor, Mich., May 1, 1978 
<br/><br/><label>ISBN: </label>0125196504 
<br/><br/><label>LCCN: </label>79-10104 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontology--Illinois--Mazon River watershed--Congresses