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mining

Komatsu America's new HD785-8 rigid frame off-highway haul truck, with a Tier IV Komatsu SAA12V140E-7 engine, has the highest in class net horsepower, 1,140 hp (849 kW) in North America. With a payload capacity of 101.6 tons (92.2 t), it's built for mining, quarry and aggregates.

The four types of coal used in energy production are classified by the amount of carbon they contain as well as how much heat energy they can produce. Lignite is the lowest-ranked, however, power plants in Texas commonly use it, due to its abundance across a large area of the Lone Star state.

The board of directors of Epiroc AB has appointed Helena Hedblom as the new president and CEO of Epiroc AB, effective March 1, 2020. She will replace Per Lindberg, who has decided to leave his position after having successfully established Epiroc as a listed company.

(Editor's note: this is the final article of a three-part series that explores Lehigh Anthracite Coal LLC's operations in Pennsylvania. This article further details the equipment the company uses to bring its coal to the marketplace. To read part one click here.

(Editor's note: this is the second of a three-part series that explores Lehigh Anthracite Coal LLC's operations in Pennsylvania. This article focuses on some of the equipment the company uses to bring its coal to the marketplace. Click here to read part one.

Mining is a significant part of Arizona's economy. When it comes to construction projects supporting mine operations throughout the state, Native Environmental is considered the go-to contractor. Native Environmental is a woman-owned company led by Kim Riggs and has approximately 50 employees.

In operation since 1948, the Oconee County Quarry sits on a 100-acre tract of land in Walhalla, S.C. Its pit is approximately 300 ft. deep and quarry officials are in the process of expanding the top so they can mine even deeper below the surface. The quarry produces blue granite, which is known as the state rock of South Carolina.

Epiroc, a productivity partner of the mining and infrastructure industries, has donated a FlexiROC T20 R drill rig and consumables to the mining engineering program at Missouri University of Science and Technology in Rolla, Mo. The FlexiROC T20 R replaces outdated equipment at the school's nationally recognized Experimental Mine, where students gain valuable hands-on experience with real equipment and mining practices.

(Editor's note: this is the first of a multi-part series that explores Lehigh Anthracite Coal LLC's operations in Pennsylvania, the equipment it uses in its successful mining business and more. Click here to read part 2. Click here to read part 3) Anthracite mining in Pennsylvania has a long and rich history dating back to the 1700s.

Everything has to come from somewhere. So it is that a small company in south Arkansas has become a leading producer of sand. Not "Lawrence of Arabia" sand or time-is-running-out sand or bury-dad-to-the-neck-on-vacation sand. The family-owned Hayden Group Inc.

BOISE, Idaho (AP) State officials approved a rewrite of Idaho's 50-year-old mining law, but they still have work to do. Republican Gov. Brad Little and other members of the Idaho Land Board voted to adopt rules intended to give mining companies the financial leeway to mine but also avoid leaving Idaho taxpayers paying for cleanup costs if a mining company goes bankrupt.