11:30Our RiversEpisode 4: The Lower Bann: Eels, Boats and BirdsBBC Radio Ulster Duration: 30 minutes Sat 27th Sep 2008, 11:30 on BBC Radio FoyleHelen Mark and Michael McNamee journey along six of Northern Ireland's most important and fascinating waterways. The rivers around us are among our most precious resources.GenresFactualScience & NatureFormatsDocumentariesSeriesOur Rivers Source: BBC Online