Lagoons are shallow bodies of water that gets separated from larger water bodies due to the formation of reefs or barrier islands. Atoll lagoons form as coral reefs grow upwards while the islands that the reefs surround subside, until eventually only the reefs remain above sea level.
From Wikipedia, the free encyclopedia. John Knoll (born October 6, 1962) is an American visual effects supervisor and chief creative officer (CCO) at Industrial Light & Magic (ILM).
(Redirected from John Hall (U.S. politician)). For other politicians named John Hall, see John Hall (disambiguation) . John Joseph Hall (born July 23, 1948) is an American musician and liberal environmental activist, and was the U.S. Representative for New York's 19th congressional district, serving from 2007 to 2011.lthough his musical career was on hold during his time in office, Hall performed at the concert honoring the 90th birthday of Pete Seeger, supporting the Hudson River Sloop Clearwater at Madison Square Garden in New York City on May 3, 2009.