 During the American Civil War , Raynolds participated in the Battle of Cross Keys during the Valley Campaign of 1862 and a year later was in charge of fortifications in the defense of the military arsenal at Harpers Ferry , West Virginia . On March 13 , 1865 Raynolds was brevetted brigadier general for meritorious service during the Civil War . Raynolds retired from the Corps of Engineers on March 17 , 1884 with the permanent rank of colonel after a 40 @-@ year military career . 
