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(1828-1890), commanded the Pitt River expedition in 1857, and during service in the Civil War was brevetted lieutenant-colonel and commanded the second cavalry division at Chickamauga. He had charge of the cavalry of the Army of the Potomac from March 26, 1865, till the surrender at Appomattox, and from 1866 on was chiefly occupied in quelling Indian disturbances. In 1888 he was appointed a major-general of the U. S. army.