Migration from across the country, particularly from the Southern United States, drastically increased Saginaw's population during the war years and through the 1950s. This population growth included the expanded presence of African Americans and Latinos in Saginaw. Even before the end of the war, the needs of Saginaw's growth became clear, and were met by significant investment in the city's infrastructure. In 1947, Saginaw and the nearby city of Midland constructed a water supply pipeline drawing water from Whitestone Point in Lake Huron to meet the anticipated needs of the communities. In addition, the cities of Midland and Bay City joined with Saginaw to develop and operate an airport on the site of a former POW camp in nearby Tittabawassee Township, which eventually became MBS International Airport.