Tschudy, Robert H. <br/><br/>
Stratigraphic distribution of significant Eocene Palynomorphs of the Mississippi Embayment 

 - Washington, D.C.  U.S. Geological Survey  1973 
 - pp. 1-24  láms. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EOCENO<br/>POLEN Y ESPORAS
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESTADOS UNIDOS