what is the city is the most coal
Colombia hosts the biggest coal reserves in South America, with reserves mostly concentrated in the Guajira peninsula. The La Guajira and Cesar departments of Colombia account for more than 85% of the country's coal reserves. Correjon is the biggest coal mine in Colombia, followed by the La Loma coal mine.
North Dakota's Freedom mine has taken the spot of the US' tenth biggest coal producer, as Wyoming's Caballo slid off the top-ten chart. All production figures are in metric tonnes. Here are the top-ten biggest US coal mines in 2013 in terms of production. The information is based on data provided by InfoMine. The biggest mines aren't always the ones with the most workers. Here are the same mines based on staff numbers rather than production volumes.