Matches in DBpedia 2014 for { ?s ?p Alexander Mackenzie was born May 25, 1844, in Potosi, Wisconsin and graduated from the United States Military Academy in 1864.Commissioned in the United States Army Corps of Engineers, he served with the Union Army in Arkansas in 1864-65. Mackenzie spent six years commanding a company of engineer troops at Willets Point, New York, that experimented in the use of torpedoes in coastal defense. In 1879 he began a 16-year stint as Rock Island District Engineer.. }
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- Alexander_Mackenzie_(engineer) comment "Alexander Mackenzie was born May 25, 1844, in Potosi, Wisconsin and graduated from the United States Military Academy in 1864.Commissioned in the United States Army Corps of Engineers, he served with the Union Army in Arkansas in 1864-65. Mackenzie spent six years commanding a company of engineer troops at Willets Point, New York, that experimented in the use of torpedoes in coastal defense. In 1879 he began a 16-year stint as Rock Island District Engineer.".