Upper Mississippi River-Illinois Waterway Navigation System Study 

 - Rock Island, IL  U.S. Army Corps of Engineers  [1993]- 
<br/><br/> Title from title screen (viewed 10/16/06) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Navigation--Mississippi River
<br/><br/><label>GPO Item No.: </label>0337-B-28 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>D 103.137: