Results: 1 - 10 of 62
Jul 20, 2009
Data
… Geological Survey created a coal and coalbed methane (CBM) … (15,200 formation picks, 37,357 coal picks, 495 coal analyses and 363 vitrinite …
Jul 20, 2009
Data
… Geological Survey created a coal and coalbed methane (CBM) … (15,200 formation picks, 37,357 coal picks, 495 coal analyses and 363 vitrinite …
Jul 20, 2009
Data
… Geological Survey created a coal and coalbed methane (CBM) … (15,200 formation picks, 37,357 coal picks, 495 coal analyses and 363 vitrinite …
Jul 20, 2009
Data
… Geological Survey created a coal and coalbed methane (CBM) … (15,200 formation picks, 37,357 coal picks, 495 coal analyses and 363 vitrinite …
Jul 20, 2009
Data
… Geological Survey created a coal and coalbed methane (CBM) … (15,200 formation picks, 37,357 coal picks, 495 coal analyses and 363 vitrinite …
Jul 20, 2009
Data
… Geological Survey created a coal and coalbed methane (CBM) … (15,200 formation picks, 37,357 coal picks, 495 coal analyses and 363 vitrinite …
Jul 20, 2009
Data
… Geological Survey created a coal and coalbed methane (CBM) … (15,200 formation picks, 37,357 coal picks, 495 coal analyses and 363 vitrinite …
Dec 31, 1973
Earth Sciences Report
… Formations, and contains coal seams and coaly sediments. Although coal deposits in all formations … mining. Two deposits, lignitic coal in the Eastend Formation at …
Dec 31, 1973
Earth Sciences Report
… … The coal resources of the Hussar-Hanna … at 2-mile intervals. Strippable coal (within 100 feet of surface) … tons of economically recoverable coal. Two useful marker beds are …
Dec 31, 1966
Earth Sciences Report
… report discusses Ardley zone coal resources in the central Red … the zone, and also a number of coal deposits that have received … 4 units: a coaly shale; an upper coal seam 4 to 6 feet thick with a …