Frederiksen, Norman O. <br/><br/>
Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and earliest Oligocene of the eastern Gulf Coast 
by Norman O. Frederiksen. 
 - Washington  Denver, CO  U.S. G.P.O.  For sale by the Books and Open-File Reports Section, U.S. Geological Survey  1988. 
 - iv, 68 p., 16 leaves of plates  ill.  29 cm. 
 - U.S. Geological Survey professional paper  1448 .
<br/><br/> Two folded leaves in pocket.  Includes index. 
<br/><br/>Bibliography: p. 60-64. 
<br/><br/><label>LCCN: </label>87600427  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spores (Botany), Fossil.<br/>Palynology--Gulf Coast (U.S.)<br/>Paleobotany--Oligocene.<br/>Paleobotany--Eocene.
<br/><br/><label>LC Class. No.: </label>QE996  / .F74 1988 
<br/><br/><label>Dewey Class. No.: </label>561/.13/09761 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.16:1448