, ▁which ▁was ▁later ▁used ▁as ▁the ▁T rap ▁S urg ery ▁until ▁it ▁was ▁demol ished ▁in ▁ 1 9 8 0 . ▁ ▁A ▁number ▁of ▁col lier ies ▁operated ▁in ▁A bern ant , ▁many ▁originally ▁operated ▁by ▁the ▁Aber d are ▁Iron ▁Company . ▁The ▁col lier ies ▁were : ▁Wer fa ▁No . 1 ▁( 1 8 4 6 – 1 9 1 0 ); ▁Wer fa ▁No . ▁ 2 ▁( 1 8 7 9 – 1 9 1 0 ); ▁Mountain ▁Pit ▁( 1 8 6 6 – 1 9 2 7 ); ▁Bla enn ant ▁Col li ery ▁( cir ca ▁ 1 8 4 0 – 1 9 2 7 ); ▁For ge ▁Pit ▁( 1 8 5 1 – 1 9 1 0 ) ▁and ▁River ▁Level ▁Col li ery ▁( cir ca ▁ 1 8 4 0 – 1 9 3 9 ). ▁In ▁ 1 8 9 6 , ▁a ▁flo oding ▁dis aster ▁occurred ▁at ▁River ▁Level ▁Col li ery ▁which ▁killed ▁six ▁col liers . ▁The ▁dis aster ▁occurred ▁after ▁it ▁was ▁in und ated ▁by ▁water ▁from ▁the ▁abandoned ▁Y sg ub or wen ▁Col li ery . ▁Although ▁the ▁Ab ed are ▁Iron ▁Company ▁was ▁responsible ▁for ▁the ▁production ▁of ▁much ▁coal ▁in ▁the ▁A bern ant ▁area , ▁it ▁was ▁never ▁as ▁well ▁documented ▁as ▁some ▁of ▁the ▁other ▁works ▁in ▁the ▁Rh ond da ▁Valley . ▁▁ ▁In ▁December ▁ 1 9 1 2 ,