Mining process of coal in the United States. Interior of a coal seam with a railroad track. Heavy machinery on the track. Coal being loaded onto small trains with the help of machinery. Miners stand with loosened coal in the background.
Mining process of coal in the United States. Coal loosened with the help of heavy machinery. A heap of coal in a coal seam. Small trains loaded with coal move on railroad tracks inside the coal seam.
Mining process of coal in the United States. Small trains loaded with coal move on railway tracks inside a col seam. The trains head toward a rotary dump. View of a portable sub-station supplying power for underground operations. A coal loaded train reaches the rotary dump.
Mining process of coal in the United States. Tons of coal is dumped at a rotary dump. A worker controls the operation of the dumping of the coal at a rotary dump. Automatic deceleration as a coal loaded car approaches the inverted position.
Mining process of coal in the United States. Coal being transported through a slope conveyor transport to a tipple. The conveyor belt is operated by a Duplex motor drive. View of the Duplex motor drive and coal pieces on the conveyor belt.
Mining process of coal in the United States. Plus four inch coal is carried over picking tables and minus four inch coal is run through an air cleaning plant. Miners working on the picking tables.
CRITICALPAST.COM: About Us | Contact Us | FAQs - How to Order | License Agreement | My Account | My Lightboxes | Shopping Cart | Advanced Search | Featured Collections | Website Terms & Conditions | Privacy Policy | Links ©2024 CriticalPast LLC.
License Agreement |
Terms & Conditions |
Privacy Policy
©2024 CriticalPast LLC.