Appletons' Cyclopædia of American Biography/Hager, Albert David

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HAGER, Albert David, geologist, b. in Chester, Vt., 1 Nov., 1817; d. in Chicago, Ill., 29 July, 1888. He was educated in his native place, and in 1856 was assistant naturalist of Vermont. He was assistant state geologist under Prof. Edward Hitchcock in 1857-'61, and state geologist and curator of the state cabinet of natural history in 1862-'70. In the latter year he was appointed state geologist of Missouri, and in 1877 he became librarian of the Chicago historical society. Mr. Hager was commissioner from Vermont to the Paris exposition of 1867. He published “Geology of Vermont,” with Prof. Hitchcock (2 vols., Claremont, N. H., 1861); the annual reports of the Vermont fish commission (Montpelier, Vt., 1866-'9); “Economic Geology of Vermont”; and a report on the geological survey of Missouri (1871).