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.
But unlike in 2012 when Wyoming was home to nine of the US' ten biggest coal mines, the Cowboy State had a bit more competition last year. 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.