Whitworth, Robert. <br/><br/>
A plan and estimates of the intended navigation from Lough-Neagh to Belfast, as surveyed by Mr. Robert Whitworth; together with his report, concerning the best method of executing the work.  Presented to the local committee at Hillsborough, August 24, 1768; and approved by Mr. James Brindley, Engineer.  Published by order of the Board. 

 - Belfast :  Printed by Henry and Robert Joy,  1770. 
 - 35, [1]p., map. ;  8 
<br/><br/> estc t206536 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inland navigation--Ireland.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Lagan River (Northern Ireland)--Navigation.