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1820 - Born on the 20th of January.
1848 - Became professor of Topography and the preparatory courses.
1855 - He works with Play with the organization of the World Fair.
1856 - Principal private secretary of Prince Napoleon to the transitory ministry for Algeria.
1857 - Became the youngest Officer of the Legion of Honour then commander.
1862 - He started to compensate Élie de Beaumont
1856 - He became officially the substitute.
1875 - Named titular of the pulpit of Geology.
- A decree of 21st of January reorganized the Service. Mr. Jacquot, Inspector general of the Mines
1887 - Named director of the Service and remained at his head until his retirement.
1886 - Died Inspector general of first class on 14th of November.
1848 - Became professor of Topography and the preparatory courses.
1855 - He works with Play with the organization of the World Fair.
1856 - Principal private secretary of Prince Napoleon to the transitory ministry for Algeria.
1857 - Became the youngest Officer of the Legion of Honour then commander.
1862 - He started to compensate Élie de Beaumont
1856 - He became officially the substitute.
1875 - Named titular of the pulpit of Geology.
- A decree of 21st of January reorganized the Service. Mr. Jacquot, Inspector general of the Mines
1887 - Named director of the Service and remained at his head until his retirement.
1886 - Died Inspector general of first class on 14th of November.
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