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Development of Concepts for Surface Mining Moderately Pitching Coal Seams. Final Report--summary Volume. Volume I.
NTIS: PB 297-306 :108 pages
This report presents the findings of a study aimed at documenting operational problems associated with the one surface mining of coal dipping 8 deg to 25 deg. Based on an intense literature search and field investigations, new extraction concepts were generated as a means to alleviate these problems. Also contained in the report is a detailed characterization of moderately pitching coal seams found within the United States.
CP; Final Contract Report;
NTIS Accession No.
NTIS: PB 297-306
Skelly and Loy
Page last reviewed: May 5, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division