As the bus approached a second mine in Shandong, an overpowering sulfur smell seeped inside.
From the heraldtribune.com
Alliance Resource's Web site says it purchased the mine in 1971 and produces high-sulfur coal there.
From the kentucky.com
As the bus approached a second mine in Shandong province, an overpowering sulfur smell seeped inside.
From the heraldtribune.com
Environmental restrictions, such as those placed on high-sulfur coal in the 1980s, brought further mine closures.
From the en.wikipedia.org
Four industrial properties-a gas plant, sulfur processing plant, coal mine, and pulp mill-became exclaves of the district as they incorporated to receive municipal services.
From the en.wikipedia.org
The mine, which produces low-sulfur coal used for making coke for smelting steel, needs orders from steel companies to keep the mine open, said Mr. Hoffman.
From the post-gazette.com
Iowa coal tends to be too high in sulfur for modern applications, and the last commercial mine closed in 1994.
From the en.wikipedia.org
The spot once was the site of a mine that produced low-quality coal contaminated with chunks of sulfur.
From the kentucky.com
A friend of mine is leading a university research program involved in developing liquid sulfur batteries, in collaboration with a regional power company.