The deep waterway between the Great Lakes and the Gulf of Mexico.  Development of the deep waterway in relation to conservation. 

 - [Saint Louis, Mo.]  The Lakes-to-the-Gulf deep waterway association,  1911. 
 - 49 p.  fold. maps, fold. diagrs.  26 cm. 
<br/><br/> Cover-title.  Issued as an educational document, October, 1911. 
<br/><br/><label>LCCN: </label>gs 12000206  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inland navigation--United States.<br/>Canals--United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Great Lakes (North America)<br/>Mexico, Gulf of.
<br/><br/><label>LC Class. No.: </label>TC623.2  / .L4 1910d