129 (barge)
''129'' (also known as ''Barge 129'', or ''No.129'') was an American whaleback barge in service between 1893 and 1902. Built between December 1892 and May 1893, in Superior, Wisconsin, (or West Superior, Wisconsin), by Alexander McDougall (ship designer), Alexander McDougall's Superior Shipbuilding Company, American Steel Barge Company, for McDougall's fleet of the same name, based in Buffalo, New York. She was one of a class of distinctive and experimental ships designed and built by McDougall. The whalebacks were designed to be more stable in high seas. They had rounded decks, and lacked the normal straight sides seen on traditional lake freighters. ''129'' entered service on May 22, hauling wheat from Superior. She was sold to the Bessemer Steamship Company of Cleveland, Ohio, in 1900. In 1901, she became owned by the Pittsburgh Steamship Company of Duluth, Minnesota, when the Bessemer fleet merged into it. On October 13, 1902, ''129'' was Glossary of nautical terms (A-L)#d ...
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Coal
Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years. Vast deposits of coal originate in former wetlands called coal forests that covered much of the Earth's tropical land areas during the late Carboniferous ( Pennsylvanian) and Permian times. Many significant coal deposits are younger than this and originate from the Mesozoic and Cenozoic eras. Coal is used primarily as a fuel. While coal has been known and used for thousands of years, its usage was limited until the Industrial Revolution. With the invention of the steam engine, coal consumption increased. In 2020, coal supplied about a quarter of the world's primary energy and over a third of its electricity. Some iron ...
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