CLARENCE EDWARD DUTTON 
Soldier and Geologist. Born in Wallingford, Conn., 
May 15, 1841; graduated in arts at Yale 1860; first 
Lieutenant and afterward Captain Twenty-first Connecticut 
Volunteers 1862; Second lieutenant of Ordnance. -,U. S. 
Army, 1863; First Lieutenant 1867; Captain 1873; Major 
1890. As an officer of volunteers he was engaged at 
Fredericksburg, Norfolk, Cold Harbor, Bermuda Hundred, 
and Drury T s Bluff. In 1884 he was elected a member of 
the National Academy of Sciences. As an ordnance 
officer he has contributed to the literature of gunnery, 
and also written on the metallurgy of steel and on 
economics, but his more important publications are in 
the field of geology. In 1875 he was detailed to 
assist the U. S. survey of the Rocky Mountain region, 
under Major J. W. Powell; in 1879-80 he was Secretary of 
a commission charged with the investigation of problems 
connected with the U. S. land system; from 1880 to 1891 
he was a member of the U. S. Geological Survey. Among- 
his geologic writings are TT Geology of the High Plateaus 
of Utah,” (Washington 1880; ”Tertiary History of the 
Grand Canon District” (1882); "Hawaiian Volcanoes (1884) 
"Mount Taylor and the Luni Plateau" (1886); and "The 
Charleston Earthquake of August 31, 1886"(1889). 
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