Greiff, C. S. von. <br/><br/>
Letter on a project for a canal between the Atlantic and the Pacific, starting in the Gulf of Urabá and using the Rivers Arato and Napipi. 

 - [S.l.] :  [s.n.],  1851. 
 - 5l., map. 
<br/><br/> Signed at the end: C. de Greiff, Medellin 1851. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Canals, Interoceanic.