Notes on the relations between railroads and waterways in the united states :  report / 
by M. Edward P. North 
 - Paris :  Imperierie Generale Lahure,  1892 
 - 8 p. ;  26 cm. 
<br/><br/> 9th question 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Design and construction