GRIERSON, Benjamin Henry, soldier, born in Pittsburg, Pennsylvania, 8 July, 1826. At an early age he removed to Trumbull County, Ohio, and was subsequently engaged in the produce business at Jacksonville, Illinois At the beginning of the civil war he became aide-de-camp to General Prentiss, was made major of the 6th Illinois cavalry in August, 1861, became colonel, 28 March, 1862, and commander of a cavalry brigade in December. He was engaged in nearly all the cavalry skirmishes and raids in western Tennessee and northern Mississippi, and in April, 1863, made a successful cavalry raid from La Grange to Baton Rouge to facilitate General Grant's operations about Vicksburg. He became a brigadier-general of volunteers on 3 June, 1863, major general, 27 Nay, 1865, colonel of the 10th United States cavalry, 28 July, 1866, and was brevetted brigadier and major general, United States army, 2 March, 1867, for his raid of December, 1864, in Arkansas. He was in command of the district of the Indian Territory from 1868 till 1873, and was engaged in active scouting, explorations, campaigns against the Kiowas, Comanches, Cheyennes, and other tribes, and in removing intruders from the Indian territory. From 1875 to 1881 he was actively engaged in scouting and exploring the country throughout western Texas, New Mexico, and in campaigns against hostile Indians. Since 13 November, 1886, he has commanded the district of New Mexico, with headquarters at Santa Fe, N. N.