Observer Reporter – About 25 undergraduates from Washington & Jefferson College and the University of Pittsburgh will be doing roadside and streamside spring cleaning Thursday along Route 18 and Hewitt Avenue in Canton and Chartiers Townships. The cleanup will be from 12:30 to 4 p.m.and will be done in cooperation with the Washington County Watershed Alliance. Removing litter that can end up in waterways is critical. Watershed specialist Jennifer Dann will provide information about water sampling and testing in the Chartiers Creek Watershed. The cleanup is part of Keep Pennsylvania Beautiful and the Great American Cleanup.