English: River Irwell At Strongstry. The river Irwell is in full flow after heavy rain as it passes through Strongstry. Not far from Stubbins 283640are the hamlets of Chatterton and Strongstry. Like their neighbour they both have medieval origins. Most of the houses in present day Strongstry date from the 19th century and were built by the Porritts to house their workers. Chatterton had its own mill which was the scene of a clash between soldiers and handloom weavers during the powerloom riots of April 1826. Several of the rioters were shot and killed. The remains of Chatterton mill were demolished towards the end of the 19th century and in 1923 its site was made into playing fields and given to the people of Ramsbottom as a 'Peace Memorial