'In 1945 Grand Rapids, Mich. & Newburgh, N.Y. became the first 2 cities to add this chemical to the water supply'
fluoride
1945: In 1945 Grand Rapids, Mich. & Newburgh, N.Y. became the first 2 cities to add this chemical to the water supply
In 1945 Grand Rapids, Mich. & Newburgh, N.Y. became the first 2 cities to add this chemical to the water supply
In 1945 Grand Rapids, Mich. & Newburgh, N.Y. became the first 2 cities to add this chemical to the water supply
1945
fluoride
1945