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LESLEY, J

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Originally appearing in Volume V16, Page 491 of the 1911 Encyclopedia Britannica.
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LESLEY, J . See also:PETER (1819–1903), See also:American geologist, was See also:born in See also:Philadelphia on the 17th of See also:September 1819. It is recorded by See also:Sir A. See also:Geikie that " He was christened Peter after his See also:father and grandfather, and at first wrote his name ` Peter Lesley, Jr.,' but disliking the See also:Christian appellation that had been given to him, he eventually transformed his See also:signature by putting the J. of ` Junior' at the beginning." He was educated for the See also:ministry at the university of See also:Pennsylvania, where he graduated in 1838; but the effects of See also:close study having told upon his See also:health, he served for a See also:time as sub-assistant on the first See also:geological survey of Pennsylvania under See also:Professor H.. D. See also:Rogers, and was after-wards engaged in a See also:special examination of the See also:coal regions. On the termination of the survey in 1841 he entered See also:Princeton See also:seminary and renewed his theological studies, at the same time giving his leisure time to assist Professor Rogers in preparing the final See also:report and See also:map of Pennsylvania. He was licensed to preach in 1844; he then paid a visit to See also:Europe and entered on a See also:short course of study at the university of See also:Halle. Returning to See also:America he worked during two years for the American See also:Tract Society, and at the close of 1847 he joined Professor Rogers again in preparing geological maps and sections at See also:Boston. He then accepted the pastorate of the Congregational See also:church at See also:Milton, a suburb of Boston, where he remained until 1851, when, his views having become Unitarian, he abandoned the ministry and entered into practice as a consulting geologist. In the course of his See also:work he made elaborate surveys of the Cape See also:Breton coal-See also:field, and of other coal and See also:iron regions. From 1855 to 1859 he was secretary of the American Iron Association; for twenty-seven years (1858–1885) he was secretary and librarian of the American Philosophical Society; from 1872 to 1878 he was professor of See also:geology and See also:dean of the See also:faculty of See also:science in the university of Pennsylvania, and from 1874–1893 he was in See also:charge of the second geological survey of the See also:state.

He then retired to Milton, See also:

Mass., where he died on the 1st of See also:June 1903. He published See also:Manual of Coal and its See also:Topography (1856); The Iron Manufacturer's See also:Guide to the Furnaces, Forges and See also:Rolling See also:Mills of the See also:United States (1859). See Memoir by Sir A. Geikie in Quart. Journ. Geol. See also:Soc. (May 1904) ; and Memoir (with portrait) by B. S. Lyman, printed in advance with portrait, and afterwards in abstract only in Trans. Amer. Inst.

See also:

Mining See also:Engineers, xxxiv. (19o4) p. 726.

End of Article: LESLEY, J

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