Pillar Extraction With Application Of Mobile Roof Support Eastern Kentucky

- Organization:
- Society for Mining, Metallurgy & Exploration
- Pages:
- 9
- File Size:
- 1960 KB
- Publication Date:
- Jan 1, 1991
Abstract
Martin County Coal Corporation is located in Martin County, Kentucky in the Appalachian coal fields, near the West Virginia border. The total leasehold covers more than 33 000 acres. Total annual production at Martin County Coal Corporation is currently 2,500,000 tons, but in certain years exceeded 3,000,000 tons. Approximately 45 percent of the annual production comes from two surface mines. The balance is produced from five underground mines. Martin County Coal Corporation's work schedule consists of 240 days/year, two nine-hours shifts/day.
Citation
APA:
(1991) Pillar Extraction With Application Of Mobile Roof Support Eastern KentuckyMLA: Pillar Extraction With Application Of Mobile Roof Support Eastern Kentucky. Society for Mining, Metallurgy & Exploration, 1991.