Berlin Blockade continent for weeks. All too often, aircraft would make the entire flight and then be unable to land in Berlin. On 20 November 1948, 42 aircraft departed for Berlin, but only one landed there. At one point, the city had only a week's supply of coal left. However, the weather eventually improved, and more than 171,000 tons were delivered in January 1949, 152,000 tons in February, and 196,223 tons in March. By April 1949, airlift operations were running smoothly and Tunner wanted to shake up his command to discourage complacency. He believed in the spirit of competition between units and,
Black Thunder Coal Mine world and produces enough coal to load up to 20-25 trains per day. Draglines are not used to dig coal but only strip overburden. Black Thunder operates six draglines, not just one. Coal is excavated by power shovels and loaded into haul trucks. In 2009, the America's Power Factuality Tour stopped at the Black Thunder Coal Mine to report on its role in generating electricity in the United States. In 2010, the Black Thunder Mine dug up an estimated 115 million tons of coal, an increase of 34 million tons over 2009. The increase was a result of merging the