Woodring, Wendell Phillips  1891-1983 <br/><br/>
Geology and Paleontology of Canal zone and adjoining parts of Panama : description of Tertiary mollusks ( Gastropods : Columbellidae to Volutidae) / 
by W. P. Woodring. 
 -- Washington :   United States Government Printing Office,   1964 
 - P. 241-297, [10] h. de lam. + 1 map. -- 
 (Geological Survey Professional Paper  ;  306-C).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Canal de Panamá<br/>Gasterópodos<br/>Geología<br/>Paleontología
<br/><br/><label>Universal Decimal Class. No.: </label>55/56(265.159)