Following the "baseball referendum", promoted by the Taxpayers Committee for Yes on Baseball, which was approved by Los Angeles voters on June 3, 1958, the City made the controversial decision to trade 352 acres of land at Chavez Ravine to the Brooklyn Dodgers and team's owner Walter O'Malley in exchange for land around the minor league park, Wrigley Field, with the aim of providing incentives for migration to Los Angeles.