Keywords: River Bend Farm Exihibit RBFarmexhibits-007.jpg en Exhibit at River Bend Farm in Blackstone River Valley National Heritage Corridor at the Blackstone River and Canal State Park Uxbridge Massachusetts http //www nps gov/blac/planyourvisit/placestogo htm National Park Service > 1986 National Park Service US Department of the Interior; Public Domain PD-USGov Check categories 2009 February 15 en wikipedia Uxbridge _Massachusetts en wikipedia Blackstone_River_and_Canal_Heritage_State_Park Industrial history 16 Blackstone River Valley National Heritage Corridor Worcester County Massachusetts 1662 History of technology Ploughs |