 In 1928, John D. Rockefeller Jr. negotiated with New York Central Railroad to relocate the line to along the Saw Mill River, costing $200,000, which Rockefeller Jr. paid.When the De La Salle Brothers' property in Amawalk was condemned to make way for the New Croton Reservoir, they relocated their novitiate to Pocantico.Around 1929, the Rockefeller family purchased the property.