▁bay ▁near ▁the ▁south - western ▁tip ▁of ▁Rein de er ▁Lake ▁in ▁S ask atch ew an , ▁Canada . ▁The ▁bay ▁is ▁strik ingly ▁circular ▁and ▁very ▁deep ▁( 2 2 0 ▁m ) ▁in ▁an ▁otherwise ▁irregular ▁and ▁shall ow ▁lake . ▁It ▁is ▁the ▁deep est ▁body ▁of ▁water ▁in ▁S ask atch ew an . ▁ ▁The ▁bay ▁was ▁formed ▁in ▁a ▁ 1 3   km ▁wide ▁impact ▁cr ater . ▁The ▁age ▁of ▁the ▁cr ater ▁is ▁estimated ▁to ▁be ▁ 9 9   ±   4 ▁million ▁years ▁( C ret ace ous ). ▁ ▁The ▁smaller ▁G ow ▁cr ater , ▁of ▁Tri ass ic ▁age , ▁is ▁approximately ▁ 9 0 ▁km ▁west ▁of ▁Deep ▁Bay ▁cr ater . ▁ ▁References ▁ ▁External ▁links ▁Aer ial ▁expl oration ▁of ▁the ▁Deep ▁Bay ▁cr ater ▁ ▁Category : Imp act ▁cr aters ▁of ▁S ask atch ew an ▁Category : C ret ace ous ▁impact ▁cr aters ▁Category : Div ision ▁No . ▁ 1 8 , ▁S ask atch ew an <0x0A> </s> ▁" A ▁or ▁B " ▁is ▁a ▁song ▁recorded ▁by ▁Japanese ▁singer ▁M ika ▁Nak ash ima . ▁It ▁was ▁released ▁as ▁a ▁single ▁by ▁Sony ▁Music ▁Associ ated ▁Records ▁on ▁October ▁ 2 5 , ▁ 2 0 1 7 . ▁It ▁was ▁written ▁and ▁composed ▁by ▁Jam ▁Note ▁and ▁arranged ▁by ▁Man ab oon . ▁The ▁limited ▁edition ▁of ▁the ▁CD ▁single ▁comes ▁with ▁a ▁DVD ▁including ▁the