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ROGERS, HENRY DARWIN (18o8—1866)

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Originally appearing in Volume V23, Page 455 of the 1911 Encyclopedia Britannica.
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ROGERS, See also:HENRY See also:DARWIN (18o8—1866) , See also:American geologist, was See also:born at See also:Philadelphia on the 1st of See also:August 18o8. At the See also:age of twenty-one he was chosen See also:professor of See also:chemistry and natural See also:philosophy at See also:Dickinson See also:College, See also:Pennsylvania. After holding this See also:post for three years, he went to See also:Europe and took up the study of See also:geology. Subsequently he was engaged for twenty-two years in the See also:State surveys of Pennsylvania and New See also:Jersey, his Reports on which were published during the years 1836—41. In 1842 he and his See also:brother See also:WILLIAM See also:BARTON ROGERS (180 1882), who had been similarly occupied in See also:Virginia (his Reports were published in 1838—41, and he wrote also on the connexion between thermal springs and anticlinal axes and faults), brought before the Association of American Geologists and Naturalists their conclusions on the See also:physical structure of the Appalachian See also:chain, and on the See also:elevation of See also:great See also:mountain chains. The researches of H. D. Rogers were elaborated in his final See also:Report on Pennsylvania (1858), in which he included a See also:general See also:account of the geology of the See also:United States and of the See also:coal-See also:fields of See also:North See also:America and Great See also:Britain. In this important See also:work he dealt also with the structure of the great coal-fields, the method of formation of the strata, and the changes in the See also:character of the coal from the bituminous type to See also:anthracite. In 1857 he was appointed professor of natural See also:history and geology at See also:Glasgow. One of his later essays (1861) was on the parallel roads of See also:Lochaber (Glen See also:Roy), the origin of which he attributed to a vast inundation. He died at Glasgow on the 29th of May 1866.

End of Article: ROGERS, HENRY DARWIN (18o8—1866)

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