 It is basically linear in character, extending northward along Chaffeeville Road to its junction with Gurleyville Road, and then westward along the latter road to the river.Its boundary crosses to the west side of the river north of Gurleyville Road, to include the archaeological remains of a mill site.Industrial features in the historic district include a stone grist mill and dam on the river that were constructed beginning in 1749 by Benjamin Davis, and include operable 19th-century equipment.