Turnbull, Wm.  1800-1857. <br/><br/>
Drawings accompanying the report of Captain Turnbull, on the survey and construction of the Alexandria aqueduct,  made to the House of Representatives, 2d of July, 1838, document no. 459, vol. XI. 
 Potomac aqueduct 

 - [Washington?  s.n.,  1838?] 
 - 33 pl. (5 fold.), 1 fold. chart  47 x 60 cm. 
<br/><br/> Surveys, plans, and charts showing the river, cofferdam, construction equipment, and progress on construction of the aqueduct in 1837 and 1838. 
<br/><br/><label>LCCN: </label>ca 07004391  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Canal aqueducts--Washington (D.C.)
<br/><br/><label>LC Class. No.: </label>TC764  / .T94