/tags/river-sweep River Sweep en-US Copyright Thu, 06 Jun 2013 17:14:26 GMT /environment/2013-06-06/after-24-years-and-tons-of-trash-river-sweep-still-going-strong HollNearly a quarter century after it began, the massive cleanup effort along the banks of the Ohio River and its tributaries still draws tens of… Thu, 06 Jun 2013 17:14:26 GMT /environment/2013-06-06/after-24-years-and-tons-of-trash-river-sweep-still-going-strong