Air cargo the area surrounding the city and thus land access. As this access was closed, in the so-called Berlin blockade, an airlift remained the only option to get increasingly urgent deliveries of food, coal, and other supplies to West Berlin. Over 330 days to 12 May 1949 a total of 2.26 million tons of cargo were airlifted to Berlin, an average of 6,800 tons a day, 80% by the US and 20% by the UK. Although freight traffic developed modestly, reaching only 800,000 tonnes worldwide by the mid-1950s, the world economy was hitting its post-war stride. Germany and Japan were emerging
Centralia Coal Mine the adjacent coal-fired Centralia Power Plant, which is operated by TransAlta Centralia Generation LLC and the coal mine was operated by TransAlta Centralia Mining. Prior to May 2000, the mine was owned and operated by PacifiCorp. The Centralia Mine completed its 31st year of production in 2001, producing of sub-bituminous coal, 354,481 short tons more than it produced in 2000. The mine's average annual production over 1997–2001 was 4.4 million short tons per year; average annual production over the life of the mine was 4.3 million short tons per year. Officials of TransAlta Centralia were planning to increase annual production