Sinkhole Sinkhole A sinkhole, also known as a cenote, sink, sink-hole, swallet, swallow hole, or doline (the different terms for sinkholes are often used interchangeably), is a depression or hole in the ground caused by some form of collapse of the surface layer. Most are caused by karst processes—for example, the chemical dissolution of carbonate rocks or suffosion processes. Sinkholes vary in size from both in diameter and depth, and vary in form from soil-lined bowls to bedrock-edged chasms. Sinkholes may form gradually or suddenly, and are found worldwide. Sinkholes may capture surface drainage from running or standing water, but may
Wall Street and the Financial Crisis: Anatomy of a Financial Collapse Wall Street and the Financial Crisis: Anatomy of a Financial Collapse Wall Street and the Financial Crisis: Anatomy of a Financial Collapse is a report on the financial crisis of 2007–2008 issued on April 13, 2011 by the United States Senate Permanent Subcommittee on Investigations. The 639-page report was issued under the chairmanship of Senators Carl Levin and Tom Coburn, and is colloquially known as the Levin-Coburn Report. After conducting "over 150 interviews and depositions, consulting with dozens of government, academic, and private sector experts" found that "the crisis was not a natural disaster, but the result of high risk,