Safety Posters & Stickers | J.H. Fletcher & Co.™

Fletcher is a world leader in the design and manufacture of mining equipment, roof drills, roof bolters, scaling machines, drill jumbos, diesel tractors and specialty equipment that improve safety and productivity in the underground coal mining and metal / non-metal mining industries.

Glossary of Mining Terms - Coal Education

A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back ...

Cougar Mining Group

Cougar Mining Group are your underground mine equipment hire specialists with an extensive range of underground loaders, personnel transporters and auxiliary fans.

Coal mining - Wikipedia

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.

Ontrak Engineering | Building Australia's Premier Mining ...

Ontrak Engineering a world leader in the design and manufacture of heavy mining machinery and equipment ….read more

Sandvik Mining and Rock Technology — Mining Equipment, Parts ...

From Australia to Zambia and underground gold to open-pit coal, Minestories is our visual storytelling portal that serves to inform and inspire the global mining industry forward.

The world's highest grade gold mines | MINING.com

Barrick/Newmont JV's Turquoise Ridge underground gold mine complex. Source: Panoramio. The grade or concentration of a mineral or metal in ore directly affects costs associated with mining as well as its subsequent beneficiation and extraction of precious components. Under otherwise equal ...

Classified Ads for

Free Classified Advertising for Miners. Classified advertising on the website is a great place to sell or locate used mining equipment, find qualified help, or look for work in the mining indistry.

Equipment Remanufacturing | Swanson Industries Mining

Reman and Repair Services For Longwall Mining Equipment. Swanson is proficient in fast, efficient remanufacturing and repair of longwall roof supports and sidewall hydraulic supports as well as underground coal mining equipment.

Glossary of Mining Terms -

Back — The roof or upper part in any underground mining cavity. Backfill — Mine waste or rock used to support the roof after coal removal. Barren — Said of rock or vein material containing no minerals of value, and of strata without coal, or containing coal in seams too thin to be workable.

J.H. Fletcher & Co.™

Our goal is to manufacture equipment for underground mining that increases safety and production through engineering innovation, quality control, experienced service and ownership stability.

Early Coal Mining in the Anthracite Region (PA) (Images of ...

Four distinct anthracite coal fields encompass an area of 1,700 square miles in the northeastern portion of Pennsylvania. In the late nineteenth and early twentieth centuries, underground coal mining was at its zenith and the work of miners was more grueling and dangerous than it is today.