bituminous

Example Sentences

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In 1920, a typical miner in the United States extracted an average of 4 tons of bituminous coal per day.

From Seattle Times • Oct. 5, 2020

The game was born out of distinctly American forms of machinery, from Walter Camp’s New Haven Clock Company to the bituminous coal and mill towns of Pennsylvania.

From Washington Post • Jan. 14, 2020

With increasing heat and pressure, lignite turns to sub-bituminous coal, bituminous coal, and then, in a process like metamorphism, anthracite.

From Textbooks • Jan. 1, 2017

However, since soft coal is mainly used in energy generation, “It’s definitely affecting the bituminous region more than the anthracite region,” Stefanko said.

From Washington Times • Jun. 6, 2015

Named for the coalfields that had been found alongside the nearby Bluestone River, the Bluefields sat amid some of the largest deposits of bituminous coal in the world.

From "Reaching for the Moon" by Katherine Johnson