Colombia's 2013 coal output slips 4 percent in rough 2013
February 07, 2014 at 19:09 PM EST
BOGOTA, Feb 7 (Reuters) - Colombia produced 85.5 million tonnes of coal in 2013, the National Mining Agency said on Friday, a four percent year-on-year drop that took output below target and reflected strikes at the country's top two miners combined with logistics disruption.