Plain Sight Project Brings Stories Of East End Enslaved People To Light 12 Photos David Rattray is a a co-founder of the Plain Sight Project. RUSSEL BENNETT Donnamarie Barnes is a co-founder of the Plain Sight Project. CHARITY ROBEY The Black Lives Matter protest at Hook Mill in East Hampton in June of 2020. BEN PARKER The Sylvester Manor house built 1737. The Stone commemorating the Afro-Indigenous Burial Ground at Sylvester Manor where there may be up to 200 persons are buried. The stone reads, "Burying Ground of the Colored People of Sylvester Manor since 1651." The stone was erected by the Horsford family in 1884.