building ▁ ▁The ▁original ▁hospital ▁structure ▁was ▁destroyed ▁on ▁October ▁ 1 8 , ▁ 1 9 3 5 , ▁when ▁a ▁major ▁earth qu ake ▁struck ▁Hel ena . ▁The ▁current ▁historic ▁main ▁hospital ▁building ▁was ▁built ▁in ▁ 1 9 3 7 – 1 9 3 9 ▁to ▁replace ▁it . ▁This ▁structure ▁is ▁a ▁T - sh aped , ▁two - story , ▁concrete ▁building ▁with ▁a ▁bas ement . ▁The ▁Hel ena ▁office ▁of ▁J . ▁G . ▁Link ▁& ▁Company ▁were ▁the ▁architect s ▁of ▁this ▁Art ▁Dec o / E ar ly ▁Mod erne ▁design , ▁which ▁includes ▁a ▁flat ▁roof , ▁colored ▁concrete , ▁and ▁diam ond - sh aped ▁t iles . ▁The ▁south ▁side ▁has ▁a ▁central ▁entrance . ▁There ▁are ▁many ▁b ays ▁and ▁windows ▁around ▁the ▁exterior ▁of ▁the ▁building . ▁The ▁interior ▁floor plan ▁has ▁remained ▁essentially ▁the ▁same ▁as ▁it ▁was ▁in ▁ 1 9 3 9 . ▁ ▁The ▁hospital ▁became ▁the ▁county - owned ▁con val es cent ▁home ▁on ▁September ▁ 2 4 , ▁ 1 9 6 1 ▁and ▁was ▁renamed ▁the ▁Co oney ▁Con val es cent ▁Home . ▁ ▁Dr . ▁Co oney , ▁in ▁whose ▁honor ▁the ▁hospital ▁was ▁renamed ▁and ▁the ▁street ▁was ▁named , ▁began ▁working ▁there ▁in ▁the ▁ 1 9 2 0 s ▁and ▁served ▁as ▁administrator ▁until ▁the ▁ 1 9 5 0 s . ▁In ▁ 1 9 8 4 , ▁the ▁Co oney ▁Con val es