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He worked for the
Byllesby Engineering and Management Corporation serving as an engineering consultant and later principal assistant vice president in charge of engineering. He later became the director and president of one of its operating subsidiaries. From 1935 to 1938 he served as the director of
402:. From 1916 to 1918, he served as Assistant to the Chief of Engineers and Chief of the Miscellaneous Civil Section in the Office of the Chief of Engineers. Keller received a temporary promotion to colonel in August 1917. He then served as secretary of the Committee on Inland Waterways of the
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in 1905, served as engineer for the 11th
Lighthouse District (Detroit), and was a member of several engineer boards. He was promoted to major in January 1907. As a member of the Niagara Falls Committee he was instrumental in bringing about more efficient production of
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from 1890 until his graduation in 1893. Keller was then in charge of the supervision of river and harbor improvements in
Alabama and northwestern Florida from 1893 to 1894. From 1894 to 1898, he was assigned to
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Biographical register of the officers and graduates of the U.S. Military
Academy at West Point, N.Y., from its establishment, in 1802 : (Supplement, volume VIII 1930-1940), page 80
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Biographical register of the officers and graduates of the U.S. Military
Academy at West Point, N.Y., from its establishment, in 1802 : (Supplement, volume VII 1920-1930), page 297
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Biographical register of the officers and graduates of the U.S. Military
Academy at West Point, N.Y., from its establishment, in 1802 : (Supplement, volume IV 1890-1900), page 490
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Biographical register of the officers and graduates of the U.S. Military
Academy at West Point, N.Y., from its establishment, in 1802 : (Supplement, volume IX 1940–1950), page 54
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Biographical register of the officers and graduates of the U.S. Military
Academy at West Point, N.Y., from its establishment, in 1802 : (Supplement, volume V 1900-1910), page 443
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Keller was promoted to lieutenant colonel in
December 1913. From 1913 to 1916, he served as the Officer in Charge of Sea Coast Defenses for river & harbor improvements in the
351:, and later served as secretary of the Missouri River Commission from 1899 to 1901. From 1901 to 1903, he was in charge of improvements of rivers and harbors on the east shore of
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In 1897, Keller married
Frances Rosenfield and they had two sons, Ira C. and Charles Jr. Both of his sons would go on to serve in the military. After retirement, he lived in
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In November 1940, he was recalled to active duty to serve as district engineer for Chicago, Illinois, until October 1943. In November 1943, he retired for a second time.
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295:, on February 13, 1868, the son of Isaac and Fanny Keller. He was appointed to the United States Military Academy from New York.
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From March 1918 to June 1919, Keller held the temporary rank of brigadier general and served as deputy chief engineer for the
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When he retired in 1943 he was 75 years old, the oldest Army officer to serve on active duty during World War II.
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Those Army Engineers : a history of the Chicago District, U.S. Army Corps of Engineers / by John W. Larson
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283:(February 13, 1868 – September 16, 1949) was a United States Army Brigadier General and businessman.
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Keller graduated from the academy second of fifty-four in the class of 1890 and was commissioned a
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The Corps of Engineers: Construction in the United States by Lenore Fine & Jesse A. Remington
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Historical Vignette 079 – The Oldest U.S. Army Officer to Serve in World War II Was an Engineer
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and later temporarily assigned to Rock Island again. From 1898 to 1899, he was assigned to
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319:: O-331) in the United States Army Corps of Engineers. He was assigned to the
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Members of the Board of Commissioners for the District of Columbia
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The National Cyclopaedia of American Biography ... Current Volume
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For his service in the First World War he was decorated with the
433:. From 1921 to 1923, he served as engineer commissioner for the
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Official register of the officers and cadets (1887), page 16
799:. Vol. 37, no. 38. September 22, 1949. p. 10
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American military personnel of the Philippine–American War
391:. He then served as district engineer at Rock Island and
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When Keller returned to the states he took charge of the
508:. After his second retirement he was decorated with the
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Recipients of the Distinguished Service Medal (US Army)
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American military personnel of the Spanish–American War
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Charles Keller – Brigadier General, United States Army
363:. During this same time he also served on duty in the
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of the 13th Lighthouse District (Detroit, Michigan).
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Army List and Directory (January 1, 1932, page 277)
581:. United States Military Academy. 1969. p. 283
217:Engineer Commissioner of the District of Columbia
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980:Recipients of the Legion of Honour
552:. Clifton, New Jersey: J.T. White.
321:United States Army Engineer School
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154:Army Distinguished Service Medal
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412:War Industries Board
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389:hydroelectric power
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879:. U.S. Army
877:ANCExplorer
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140:World War I
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883:2024-02-09
803:2024-02-09
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516:References
341:Charleston
287:Early life
169:Alma mater
393:inspector
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93:1940–1943
91:1890–1923
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