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  2. Coal Creek (Susquehanna River tributary) - Wikipedia

    en.wikipedia.org/wiki/Coal_Creek_(Susquehanna...

    Coal beds lay below Plymouth's surface at various depths, beds that were visible in the form of outcrops along Coal Creek, about a mile upstream from the Susquehanna River. Attracted by this outcrop, Abijah Smith came to Plymouth about 1806, and with his business partner Lewis Hepburn, bought a 75-acre plot (called Lots 45 and 46) on the east ...

  3. Powder River Basin - Wikipedia

    en.wikipedia.org/wiki/Powder_River_Basin

    The coal beds of the region began to form about 60 million years ago when the land began rising from a shallow sea. The rise of the Black Hills uplift on the east and the Hartville uplift on the southeast side of the basin created the present outline of the Powder River Basin.

  4. Mazon Creek fossil beds - Wikipedia

    en.wikipedia.org/wiki/Mazon_Creek_fossil_beds

    The Mazon Creek fossil beds are a conservation lagerstätte found near Morris, in Grundy County, Illinois. The fossils are preserved in ironstone concretions , formed approximately 309 million years ago in the mid- Pennsylvanian epoch of the Carboniferous period.

  5. Fort Union Formation - Wikipedia

    en.wikipedia.org/wiki/Fort_Union_Formation

    The Fort Union is mostly of Paleocene age and represents a time of extensive swamps as well as fluvial and lacustrine conditions. The rocks are more sandy in southwestern Wyoming and more coal-bearing in northeast Wyoming and southeast Montana, reflecting a general change from rivers and lakes in the west to swamps in the east, but all three environments were present at various times in most ...

  6. Coalbed methane - Wikipedia

    en.wikipedia.org/wiki/Coalbed_methane

    A German methane detector used for coal mining in the 1960s. Coalbed methane (CBM or coal-bed methane), [1] coalbed gas, or coal seam gas (CSG [1]) is a form of natural gas extracted from coal beds. [2] In recent decades it has become an important source of energy in United States, Canada, Australia, and other countries.

  7. Coal mining in Plymouth, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Coal_Mining_in_Plymouth...

    About 1806, Abijah Smith came to Plymouth from Derby, Connecticut, intending to mine, ship, and sell coal.Smith and Lewis Hepburn, his business partner, bought a 75-acre plot (Lots 45 and 46 on the Plymouth Township Warranty Map) on the east side of Coal Creek, and in the fall of 1807, Smith floated an ark down the Susquehanna River loaded with about fifty tons of anthracite coal, shipping it ...

  8. Pittsburgh coal seam - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh_coal_seam

    The Pittsburgh coal seam is the thickest and most extensive coal bed in the Appalachian Basin; [1] hence, it is the most economically important coal bed in the eastern United States. The Upper Pennsylvanian Pittsburgh coal bed of the Monongahela Group is extensive and continuous, extending over 11,000 mi 2 through 53 counties.

  9. Monongahela Formation - Wikipedia

    en.wikipedia.org/wiki/Monongahela_Formation

    The top of the group is marked by the Waynesburg Coal (No. 11 Coal) and its base is marked by the Pittsburgh coal seam (No. 8 Coal). The Pittsburgh coal is the thickest and most extensive (11,000 sq mi) bituminous coal bed in the Appalachian Basin [2]

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