(AP) — The Clearwater River squiggled toward Minnesota Highway 15, where Dennis Loewen perched on the rim of a box culvert midway down the embankment, lowering a modified snow rake into sluggish, chocolatey water. Moving left to right, at each of 12 stops, Loewen, the Clearwater River Watershed District's assistant administrator, called depth and flow readings back to Cole Loewen, CRWD administrator (who is also Dennis' son). The Kingston Wetland restoration project, a five-year, $689,248 undertaking meant to clean up downstream lakes by boosting dissolved oxygen and cutting the amount of phosphorus entering the Clearwater River, officially wrapped up in September, the St.