Hamilton River, Newfoundland and Labrador Wikipedia
Hamilton River is located in the Grand Falls area of Labrador. The post office was established here on July 31, 1952. The first Postmistress was Mrs Una Saunders. The mail arrived four times a week from Goose Bay. In 1954 the Postmaster was Robert H. Davis and in 1956, Gordon Bloomfield and 1957, Mrs. Emma Nila Shaw. On May 23, 1957 it became part of Happy Valley.