Hubbard, Bela <br/><br/>
The geology of the Lares district, Porto Rico 
[by] Bela Hubbard. 
 - New York  The Academy  1923. 
 - 1 p. l., 115 p.  illus., II fold. pl., 2 fold. tab.  25 cm. 
<br/><br/> Folded map laid in. 
<br/><br/>Bibliography: p. 111-115 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Puerto Rico--Lares District.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico