Greenwood's guide to Great Lakes shipping. 
 Guide to Great Lakes shipping 

 - Boyne City, (Mich.) :  Harbor House Publishers,  2019. 
 - v.  ill.  23 cm. 
<br/><br/><label>ISBN: </label>15841596x 
<br/><br/><label>ISSN: </label>0072-7490 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shipping--Periodicals.--Great Lakes
<br/><br/><label>LC Class. No.: </label>HE630.G7  / G75