Blow up the 5-inch balloons with a balloon pump. Tie the four 5-inch balloons together at the knots with curling ribbon, laying the balloons flat with the knots facing each other. This will be the base of the pacifier.
Black Thunder Mine, in Wyoming, is owned by Arch Coal Co. Arch Coal, one of the United Statesâ largest coal companies, filed for bankruptcy on Monday in the hopes of eliminating more than $4.5 billion in long-term debt, according to a press release issued by the company.
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.