Report by Elmer L. Corthell to the seventh international congress of navigation, held at Brussels, Belgium, july, 1898 

 - 245 páginas 
 - 56th congress. 1st session. senate u document ;  no. 30 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ríos<br/>Canales<br/>Puertos<br/>Navegación interior<br/>Ingeniería hidráulica
<br/><br/><label>LC Class. No.: </label>TC5  / I57 1898