Roberts Run (Meadow Run tributary)Roberts Run is a long first-order tributary to Meadow Run in Greene County.CourseRoberts Run rises about 1.5 miles southwest of Willow Tree, Pennsylvania and then flows southwesterly to join Meadow Run at Davistown, Pennsylvania.WatershedRoberts Run drains of area, receives about 43.2 in/year of precipitation, and is about 87.0% forested.