See also:American geologist, was
See also:born at Rochester, N.Y., on the 6th of May 1843 . In 1869 he was attached to the
See also:Geological Survey of
See also:Ohio and in 1879 he became a member of the
See also:United States Geological Survey, being engaged on parts of the Rocky Mountains, in
See also:Utah, California and
See also:Arizona . He is distinguished for his researches on
See also:mountain-structure and on the
See also:Great Lakes, as well as on glacial phenomena,
See also:earth movements, and on topographic features generally . His
See also:report on the Geology of the
See also:Henry Mountains (1877), in which the volcanic structure known as a laccolite was first described; his
See also:History of the Niagara
See also:River (189o) and Lake
See also:Bonneville (1891—the first of the Monographs issued by the United States Geological Survey) are specially important . He was awarded the Wollaston medal by the Geological Society of
See also:London in 1900 .
ANN GILBERT (1821-1904)
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