Undermined: Thirteenth in a series about the impacts of longwall mining in Alabama. OAK GROVE, Ala.—The regulators have known ...
and say nearby longwall mining from American Consolidated Natural Resources is to blame. The neighbors say the rapid coal ...
As longwall mining becomes an increasing concern near ... An informational meeting is set for Monday, Dec. 16 to further discuss this with coal, local, and state officials present.
Kathy Love, director of the Alabama Surface Mining Commission, listens during a discussion highlighting the consequences of longwall coal mining at Oak Grove High School. (Lee Hedgepeth/Inside ...
Almost five kilometers of mine workings were passed for the new longwall. All the development and transfer efforts were made exactly in time, so first metric tons of coal have already been mined ...
Study of a no-pillar mining technique with automatically formed gob-side entry retaining for longwall mining in coal mines. Int J Rock Mech Min 2018; 110: 1–8. Yang XJ, Wang EY, Ma XG, et al. A case ...
The shipment was sent to the Dalrymple Bay Coal Terminal and exported to an Asian customer last week. Centurion Mine is ramping up production, aiming for higher-volume longwall production by March ...
Grosvenor Mine is an underground longwall operation ... 5 million metric tons of coal production or the sale of first longwall coal production and $200 million payable on the second anniversary ...
The longwall method of mining used by Oak Grove involves a large machine shearing coal, releasing methane gas and leaving vast underground caverns that collapse once mining has moved on.