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Coal mining. Aerial view. Excavator loading train cargos

Múzquiz, Mexico, January 16 -- A caterpillar work in a open-cast coal mine in the Múzquiz region in the state of Coahuila in northern Mexico, about 100 kilometers from the border between Mexico and the United States.

Machinery at the coal port is transporting coal

Rock crusher and conveyor belt at the plant of a copper mine in the altiplano of the Atacama Desert in northern Chile.

Heavy machinery in the quarry, excavator and small dump track working in the quarry. Piles of gravel all around, machines moving the gravel. Dusty roads in the quarry.

Initial stage of melalurgy, machinery for the extraction of raw ore.

Open cut coal mine in Queensland's coal basin

Stone crushing machine at open pit mining and processing plant for crushed stone. Piles of gravel stone and conveyor belts on the side of the road. Concepts of industry and building materials, sand and gravel

large dumptruck in utah copper mine

Large conveyor belt in open pit mine for ore transportation

Múzquiz, Mexico, January 16 -- A coal mine in the Múzquiz region in the state of Coahuila in northern Mexico, about 100 kilometers from the border between Mexico and the United States.

Top view of excavator in open pit. Excavator falls asleep rubble in dumper on outdoor quarry in extraction of minerals. Concept of extraction of minerals.

Conveyor belt, an excavator and a pile of gravel. Open-pit mining. No people.

Panoramic view of two open pit mines, with blue sky and mountains in the background.

Aerial view of mechanical work at a coal processing plant

Big black coal mine with machines

Large bucket wheel excavator in a lignite (brown-coal) mine, Germany

Heavy machinery in the quarry, excavator and small dump track working in the quarry. Piles of gravel all around, machines moving the gravel. Dusty roads in the quarry.

Conveyor belts, heaps of gravel and a large yellow dump truck in a gravel pit, aerial view.

Deep foundation machine. Drilling rig and Pile driver at construction site. Pile driven into ground by vibrating hydraulic hammer. Foundations construction work. Ground drilling and Piling Contractor.

Aerial view of a mining quarry with heavy machinery, surrounded by forest.

coal mine opencast mining and blue mining machinery

The gravel pit

Aerial shot of a giant open pit lignite mine Inden in Germany. Large bucket wheel excavator mining machinery. Moody twilight. . North Rhine Westphalia in Germany, western Europe.

Ore and conveyor belt aerial

Aerial view of open pit mine of sandstone materials for construction industry with excavators and dump trucks. Heavy equipment in mining and production of useful minerals concept.

Sand and gravel factory plant producing sand materials for construction industry, aerial view.

a coal storage yard in Ningbo City, China

driller in a quarry

Bucket-wheel excavator during excavation at the surface mine. Huge excavator on open pit mine.

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Cetate open-pit gold mine.jpg

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