Watch Online Free HD Solarmovies. This "Working River" documentary traces a journey down the length of the Ohio River, primarily on two long haul towboats, with crew members you meet along the way. It also features some history of riverboats that once plied the Ohio and Mississippi, as well as scenes of the still operating sternwheelers Delta Queen and Belle of Louisville. And meet several folks working and living on the riverbanks. (produced in 1981 thru the University of Pittsburgh)