Here is a page covering the effect of the floods of November 2009 on the old Limerick Navigation from Plassey downstream.
http://irishwaterwayshistory.com/the-floods-of-november-2009/floods-november-2009-the-old-limerick-navigation-lower/ This page covers: - Plassey, including the Black Bridge and the towing-path - the regulating weir at Corbally - the upper lock on the Park Canal, the ladys hole and the 2.4m increase in depth above the lock - the lower lock and its patented mechanism - the current in the Abbey River and under Mathew Bridge. bjg
