Charles Dimmock of Barnstable, Mass. graduated from the United States Military Academy. He resigned from the U. S. Army in 1836. Dimmock served as colonel of ordnance in the Confederate States Army and died 27 October 1863. His son, Charles Henry Dimmock was born in Baltimore, Md. 18 October 1831. He was educated under Claude Crozet and worked as a civil engineer with various railroads. He was commissioned captain in the Confederate States Army and was responsible for fortifications at Roanoke Island and around Petersburg, Va. After the Civil War, he was city engineer of Richmond, Va. Charles Henry Dimmock died in 1873. Further information about this individual or organization may be available in the Special Collections Research Center Wiki: http://scrc.swem.wm.edu/wiki/index.php/Charles H. Dimmock (Charles Henry).