▁Rugby ▁non - play ing ▁staff ▁Category : C ork ▁Constitution ▁players ▁Category : I reland ▁international ▁rugby ▁union ▁players ▁Category : I r ish ▁rugby ▁union ▁players ▁Category : M un ster ▁Rugby ▁players ▁Category : Pe ople ▁educated ▁at ▁Pres entation ▁Brothers ▁College , ▁C ork ▁Category : R ugby ▁union ▁players ▁from ▁County ▁C ork <0x0A> </s> ▁Ast ley ▁Green ▁Col li ery ▁was ▁a ▁coal ▁mine ▁in ▁Ast ley , ▁Gre ater ▁Manchester , ▁then ▁in ▁the ▁historic ▁county ▁of ▁Lanc ash ire , ▁England . ▁It ▁was ▁the ▁last ▁col li ery ▁to ▁be ▁s unk ▁in ▁Ast ley . ▁S inking ▁comm enced ▁in ▁ 1 9 0 8 ▁by ▁the ▁Pil k ington ▁Col li ery ▁Company , ▁a ▁subs idi ary ▁of ▁the ▁Cl if ton ▁and ▁K ers ley ▁Co al ▁Company , ▁at ▁the ▁southern ▁edge ▁of ▁the ▁Manchester ▁Co al field , ▁working ▁the ▁Middle ▁Co al ▁Me asures ▁where ▁they ▁di pped ▁under ▁the ▁Perm ian ▁age ▁rocks ▁under ▁Ch at ▁M oss . ▁The ▁col li ery ▁was ▁north ▁of ▁the ▁Bridge water ▁Canal . ▁In ▁ 1 9 2 9 ▁it ▁became ▁part ▁of ▁Manchester ▁Col lier ies , ▁and ▁in ▁ 1 9 4 7 ▁was ▁national ised ▁and ▁integrated ▁into ▁the ▁National ▁Co al ▁Board . ▁It ▁closed ▁in ▁ 1 9 7 0 , ▁and ▁is ▁now ▁Ast ley ▁Green ▁Col li ery ▁Museum . ▁ ▁Ge ology ▁Ast ley ▁Green ▁is ▁the ▁southern most ▁col