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LEWIS, HENRY CARVILL

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Originally appearing in Volume V16, Page 523 of the 1911 Encyclopedia Britannica.
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LEWIS, See also:HENRY CARVILL 18J3-1888), See also:American geologist, was See also:born in See also:Philadelphia on the 16th of See also:November 18K3. Educated in the university of See also:Pennsylvania he took the degree of M.A. in 1876. He became attached to the See also:Geological Survey of Pennsylvania in 1879, serving for three years as a volunteer member, and during this See also:term he became greatly interested in the study of glacial phenomena. In i88o he was chosen See also:professor of See also:mineralogy in the Philadelphia See also:academy of natural sciences, and in 1833 he was appointed to the See also:chair of See also:geology in Haverford See also:College, Pennsylvania. During the winters of 1885 to 1887 he studied See also:petrology under H. F. Rosenbusch at See also:Heidelberg, and during the summers he investigated the glacial geology of See also:northern See also:Europe and the See also:British Islands. His observations in See also:North See also:America, where he had studied under Professor G. F. See also:Wright, Professor T. C. Chamberlin and See also:Warren Upham, had demonstrated the former See also:extension of See also:land-See also:ice, and the existence of See also:great terminal moraines.

In 1884 his See also:

Report on the Terminal See also:Moraine in Pennsylvania and New See also:York was published: a See also:work containing much See also:information on the limits of the North American ice-See also:sheet. In See also:Britain he sought to trace in like manner the See also:southern extent of the terminal moraines formed by British ice-sheets, but before his conclusions were matured he died at See also:Manchester on the zest of See also:July 1888. The results of his observations were published in 1894 entitled Papers and Notes on the Glacial Geology of Great Britain and See also:Ireland, edited by Dr H. W. See also:Crosskey. See "Prof. Henry Carvill Lewis and his Work in Glacial Geology," by Warren Upham, Amer. Geol. vol. ii. (Dec. 1888) p. 371, with portrait.

End of Article: LEWIS, HENRY CARVILL

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