Spettacolare vista panoramica della cava aperta miniera di pietra granitica. Processo di produzione pietra e ghiaia. Attrezzature minerarie della cava . - Foto e immagini stock

Spectacular panoramic view of quarry open pit mining of granite stone. Process production stone and gravel. Quarry mining equipment. A large tracked excavator.

Spectacular panoramic view of quarry open pit mining of granite stone. Process production stone and gravel. Quarry mining equipment.

A large tracked excavator in a quarry open pit mining of granite stone. Process production stone and gravel. Quarry mining equipment.

A large tracked excavator in a quarry open pit mining of granite stone. Process production stone and gravel. Quarry mining equipment.

Hibbing, Minnesota has one of the largest open pit mines.

Spectacular panoramic view of quarry open pit mining of granite stone. Process production stone and gravel. Quarry mining equipment.

Spectacular panoramic view of quarry open pit mining of granite stone. Process production stone and gravel. Quarry mining equipment. A large tracked excavator and pneumatic hammer.

Spectacular view of quarry open pit mining of granite stone. Process production stone and gravel.

Spectacular panoramic view of quarry open pit mining of granite stone. Process production stone and gravel. Quarry mining equipment.

View of quarry open pit mining of granite stone. Process production stone and gravel. Pumping groundwater in the quarry.

Spectacular panoramic view of quarry open pit mining of granite stone. Process production stone and gravel. Quarry mining equipment.

A large tracked excavator in a quarry open pit mining of granite stone. Process production stone and gravel. Quarry mining equipment.

Spectacular panoramic view of quarry open pit mining of granite stone. Process production stone and gravel. Quarry mining equipment. A large tracked excavator and pneumatic hammer.

A large tracked excavator in a quarry open pit mining of granite stone. Process production stone and gravel. Quarry mining equipment.

Spectacular panoramic view of quarry open pit mining of granite stone. Production stone and gravel.