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  2. Environmental justice and coal mining in Appalachia - Wikipedia

    en.wikipedia.org/wiki/Environmental_justice_and...

    Sixty-three percent of stream beds near coalfields within the Appalachia mountains have been identified as "impaired" due to high toxic chemical and metal contamination. In West Virginia, 14 counties are experiencing water that exceeds safe drinking water standards by seven times more than non-mining counties.

  3. Appalachian–Blue Ridge forests - Wikipedia

    en.wikipedia.org/wiki/Appalachian–Blue_Ridge...

    18.6% [1] The Appalachian–Blue Ridge forests are an ecoregion in the Temperate broadleaf and mixed forests Biome, in the Eastern United States. The ecoregion is located in the central and southern Appalachian Mountains, including the Ridge-and-Valley Appalachians and the Blue Ridge Mountains. It covers an area of about 61,500 square miles ...

  4. Geology of West Virginia - Wikipedia

    en.wikipedia.org/wiki/Geology_of_West_Virginia

    Geologic Map of West Virginia. West Virginia's geologic history stretches back into the Precambrian, and includes several periods of mountain building and erosion. At times, much of what is now West Virginia was covered by swamps, marshlands, and shallow seas, accounting for the wide variety of sedimentary rocks found in the state, as well as its wealth of coal and natural gas deposits.

  5. Potomac Water Gap - Wikipedia

    en.wikipedia.org/wiki/Potomac_Water_Gap

    Potomac Water Gap. /  39.32°N 77.72°W  / 39.32; -77.72. The Potomac Water Gap is a double water gap in the Blue Ridge Mountains, located at the intersection of the states of Virginia, West Virginia and Maryland, near Harpers Ferry. At 256 feet (78 m), it is the lowest crossing of the Blue Ridge Mountains.

  6. Climate of Virginia - Wikipedia

    en.wikipedia.org/wiki/Climate_of_Virginia

    Due to the elevation, the Blue Ridge Mountains have a humid continental climate. The climate of Virginia, a state on the east coast of the United States, is mild compared to more northern areas of the United States such as New England and the Midwest. Most of Virginia east of the Blue Ridge mountains, the southern part of the Shenandoah Valley ...

  7. Purple Earth hypothesis - Wikipedia

    en.wikipedia.org/wiki/Purple_Earth_hypothesis

    The Purple Earth Hypothesis (PEH) is an astrobiological hypothesis, first proposed by molecular biologist Shiladitya DasSarma in 2007, [1] that the earliest photosynthetic life forms of Early Earth were based on the simpler molecule retinal rather than the more complex porphyrin -based chlorophyll, making the surface biosphere appear purplish ...

  8. Moccasin Gap - Wikipedia

    en.wikipedia.org/wiki/Moccasin_Gap

    Moccasin Gap, also known as Big Moccasin Gap, is a pass in Clinch Mountain, a long ridge within the Appalachian Mountains, at Gate City, Virginia . This gap has a long history as a passageway through the mountain. It was used by the Cherokee and Shawnee, and was the first gap through which the Daniel Boone Wilderness Road passed on its way to ...

  9. Saxifraga oppositifolia - Wikipedia

    en.wikipedia.org/wiki/Saxifraga_oppositifolia

    Saxifraga oppositifolia is a low-growing, densely or loosely matted plant growing up to 5 cm (2 in) high, with somewhat woody branches of creeping or trailing habit close to the surface. The leaves are small, rounded, scale-like, opposite in four rows with ciliated margins. The flowers are solitary on short stalks, petals purple or lilac, much ...