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  • Sinkhole - Wikipedia, the free encyclopedia

    http://en.wikipedia.org/wiki/Sinkhole

    A sinkhole, also known as a sink, sink-hole, shakehole, swallet, swallow hole, or
    doline (the different terms for sinkholes are often used interchangeably), is a ...

  • Incredible Sinkholes Around the World Photos - ABC News

    http://abcnews.go.com/International/photos/incredible-sinkholes-world-...

    A man looks at a car as it falls into a sinkhole in Ross Township, near Pittsburgh,
    Pa., on Aug. 12, 2014. A woman was pulled from the car and hospitalized after ...

  • HowStuffWorks "How Sinkholes Work"

    http://science.howstuffworks.com/nature/natural-disasters/sinkhole.htm

    Sinkholes are much more than holes in the ground. Learn how sinkholes can
    cause the Earth to swallow up you, your home and your car.

  • What are sinkholes and what causes them? | World news | The ...

    http://www.theguardian.com/world/2013/mar/04/what-causes-sinkholes-flo...

    Mar 4, 2013 ... Natural sinkholes – as opposed to manmade tunnel or cave collapses – occur
    when acidic rainwater seeps down through surface soil and ...

  • Sinkholes: Pictures, Videos, Breaking News - Huffington Post

    http://www.huffingtonpost.com/news/sinkholes/ - 7 hours ago

    ... Sinkholes. Includes blogs, news, and community conversations about
    Sinkholes. ... A mini horse found itself stuck in a sinkhole just past 6 a.m. Friday.
    Luckily ...

  • Who's going to fix it? Sinkhole expands into 3 northwest Indiana ...

    http://fox59.com/2014/08/26/whos-going-to-fix-it-sinkhole-expands-into...

    1 day ago ... (Aug. 26, 2014) – A sinkhole has grown so large, it's a problem in three different
    northwest Indiana communities. The sinkhole, which is 40 feet ...

  • (PDF) Sinkholes - Florida Department of Environmental Protection

    File Format: PDF/Adobe Acrobat

    http://www.dep.state.fl.us/geology/geologictopics/sinkhole/florida_sin...

    (from Bates and Jackson, Dictionary of Geological terms.) Sinkholes are a natural
    component of Flori- da's landscape. In the simplest sense, sink- holes are ...

  • Sinkhole problem in NW Indiana divided among 3 cities ...

    http://abc7chicago.com/news/sinkhole-problem-in-nw-indiana-divided-amo...

    2 days ago ... A sinkhole is growing into a monster of a problem in northwest Indiana and
    Sunday night as mystery remains as to just whose problem it is to fix ...

  • Sinkholes - Southwest Florida Water Management District

    http://www.swfwmd.state.fl.us/hydrology/sinkholes/

    Sinkholes are depressions or holes in the land surface that occur throughout ...
    More facts about sinkholes can be found in the District's Sinkhole Brochure.

  • Sinkholes, from USGS Water-Science School

    http://water.usgs.gov/edu/sinkholes.html

    Jul 17, 2014 ... Sinkholes are common where the rock below the land surface is limestone,
    carbonate rock, salt beds, or rocks that can naturally be dissolved ...