Woodring, Wendell Phillips  1891-1983 <br/><br/>
Geology and paleontology of Canal zone and adjoining parts of Panama : geology and description of Tertiary mollusks (Gastropods : Trochidae to Turritellidae / 
by W. P. Woodring. 
 -- Washington :   United States Government Printing Office,   1957 
 - 145 p., [23] h. de lam. + 1 map. -- 
 (Geological Survey Professional Paper  ;  306-A).
<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)