▁the ▁Main ▁Chamber ▁was ▁clim bed ▁in ▁ 1 9 4 9 ▁by ▁members ▁of ▁the ▁G rit stone ▁Club , ▁who ▁expl ored ▁East ▁Pass age ▁and ▁Dol ph in ▁Pass age , ▁the ▁in let ▁from ▁Long ▁Drop ▁C ave . ▁The ▁connection ▁with ▁Long ▁Drop ▁C ave ▁was ▁made ▁after ▁b ail ing ▁the ▁short ▁section ▁of ▁water log ged ▁passage , ▁by ▁the ▁G rit stone ▁Club ▁in ▁ 1 9 8 1 . ▁ ▁The ▁entrance ▁to ▁Big ▁Me anie ▁was ▁d ug ▁open ▁by ▁Manchester ▁University ▁Spe le ological ▁Society ▁( M U SS ) ▁in ▁ 1 9 7 1 . ▁The ▁connection ▁with ▁Death ' s ▁Head ▁H ole ▁was ▁opened ▁up ▁in ▁the ▁same ▁year ▁by ▁a ▁joint ▁team ▁from ▁M U SS , ▁Happy ▁W ander ers ▁C ave ▁and ▁P oth ole ▁Club , ▁and ▁Northern ▁C ave ▁Club ▁dig ging ▁through ▁a ▁b ould er ▁obst acle . ▁ ▁See ▁also ▁ ▁C aving ▁in ▁the ▁United ▁Kingdom ▁ ▁References ▁ ▁Category : C aves ▁of ▁Lanc ash ire ▁Category : C aves ▁of ▁the ▁Three ▁Count ies ▁System ▁Category : L im estone ▁c aves ▁Category : Kar st ▁c aves ▁Category : W ild ▁c aves <0x0A> </s> ▁B rem bl ens ▁is ▁a ▁municipality ▁in ▁the ▁Swiss ▁canton ▁of ▁Va ud , ▁located ▁in ▁the ▁district ▁of ▁M org es . ▁ ▁History ▁B rem bl ens ▁is ▁first ▁mentioned ▁in ▁ 1 1 7 7 ▁as ▁B