[2] Snook was eighteen at the outbreak of the American Civil War, and in May 1861, he enlisted in Company C of the 12th Indiana Infantry Regiment.
[2] He served for ten months, and reenlisted in Company H of the 10th Regiment Indiana Cavalry under General Wilson.
[2] He escaped injury, received several promotions, and when discharged at Vicksburg, in August, 1865, was Captain of his company.
[2] On September 20, 1870, he was married to Miss Amanda Jane Sliger, a native of Missouri, who came to California in her girlhood.
[2] He enlisted in the Chico Guard, a unit of the 5th Brigade of the California Militia on November 10, 1880 as a Sergeant.