1968 House Bill 4672. Resolve Increasing The Scope Of The Special Commission Established To Make An Investigation And Study Relative To The Construction Of Bridges, Tunnels, Causeways, Dams And The Use Of Land Fill To Connect The Various Islands Of The Boston Harbor To Each Other And To The Mainland And Relative To The Use And Development Of Lands Near The Mouth Of The Neponset River And On The Shores Of Dorchester Bay.