The debt-laden company is asking a High Court to review a price increase awarded by the National Energy Regulator of South Africa.

The venture would be between Orchid Mining, a unit of DSA, and Nehawu Investment Holdings.

Government formalization efforts are meant to expand labor protections, safeguard the environment and collect more taxes and royalties from subsistence miners.

Black lung disease is an epidemic killing thousands of coal miners.

Disappointing earnings were driven mainly by its construction division.

Blackhawk's debt increased from $16 million to over $1 billion in a year.

Thermal coal imports rose at the fastest pace in four years in 2018, after two straight years of decline.