math ▁In ▁ 1 8 1 3 , ▁Philip ▁Z immer ▁sold ▁the ▁family ▁property ▁for ▁$ 1 . 5 0 ▁per ▁a cre . ▁ ▁Two ▁monuments ▁were ▁ere cted , ▁by ▁the ▁Ash land ▁County ▁P ione er ▁Society , ▁to ▁mark ▁the ▁sp ots ▁of ▁the ▁Z immer ▁mass acre ▁and ▁the ▁Cop us ▁mass acre . ▁On ▁September ▁ 1 5 , ▁ 1 8 8 2 , ▁the ▁dedic ation ▁for ▁the ▁monuments ▁was ▁attended ▁by ▁ 1 0 , 0 0 0 ▁people , ▁including ▁one ▁of ▁the ▁Cop us ▁children ▁who ▁had ▁surv ived ▁that ▁attack . ▁ ▁In ▁ 1 8 5 8 , ▁a ▁fict ional ▁account ▁of ▁the ▁mass acre ▁was ▁written ▁by ▁Re ver end ▁James ▁F . ▁McG aw , ▁titled ▁Philip ▁Se ym our , ▁or , ▁P ione er ▁life ▁in ▁Rich land ▁County , ▁Ohio : ▁founded ▁on ▁facts . ▁This ▁book ▁has ▁given ▁rise ▁to ▁several ▁misunder stand ings ▁about ▁the ▁events ▁surrounding ▁the ▁mass ac res , ▁including ▁the ▁role ▁of ▁Johnny ▁App les eed . ▁ ▁See ▁also ▁List ▁of ▁mass ac res ▁in ▁Ohio ▁ ▁References ▁ ▁Category : History ▁of ▁Ohio ▁Category : 1 8 1 2 ▁in ▁Ohio <0x0A> </s> ▁The ▁Har ness ▁Racing ▁Museum ▁& ▁Hall ▁of ▁Fame ▁is ▁a ▁museum ▁in ▁G os hen , ▁New ▁York . ▁The ▁museum ▁collect s ▁and ▁pres erves ▁the ▁history ▁of ▁har ness ▁racing ▁and ▁serves ▁as ▁a ▁hall ▁of ▁fame ▁for ▁The