Sue: For your search about his pre-war work as a surveyor, I suggest that you look at the reports and records of the various US Indian Agents and their agencies. One of my ancestors, COL Wm. H. Garrett. was the US Agent to the Creek Nation 1853-11861. He was then appointed to be the CSA Agent to the Creeks and helped Pike secure the treaty with the Creeks. He was appointed as the provisional commander of the 1st Mounted Creek. In going through the microfilm of the Creek Agency at the OHC, I was able to find a signer of the Treaty with the CSA as a Creek tribal official, who also signed as the official CSA translator, Judge Stidham (CPT Stidham, 1st Creek Mounted Volunteers, CSA had been the Creek Agency interpreter under Garrett during the Union years. Stidham accompanied Garrett to negotiate with the Seminoles in FL in the 1850's and to Washington, DC to the White House on a couple of occasions. During one of those trips, Garrett introduced Stidham to a young lady who become Stidham's second wife. She showed up later on Agency records as one of the Creek Agency School teachers per reports to the Commissioner of Indian Affairs, US. This was how I discovered that MAJ Israel V. Gore, CSA, had served the pre-war Creek Agency as a special census enumerator for the Creek Widows' & Orphans' Treaty Census in 1858 (I think). Besides serving BG Cooper (also a former pre-war Indian Agent to the IT), Gore was given the added assignment as CSA Creek Agent. Besides the actual day to day operational records of the agencies, you may also want to look through the reports, annual at least, from each of the Agents to the Commissioner of Indian Affairs. These are often very good sources of secondary information on the work of professionals such as surveyors and the work of missionaries. You might also wish to check tribal court records and post-war tribal records to see if his surveys might have figured into any of the cases (usually by the tribal executive depts. to settle disputes over whites in the territories. The pre-war and post-war census records have also been very helpful on some of my white ancestors who were in the IT. There are a couple of diaries online and some of the CSA govt. records (like that of the Indian Dept. under the War Dept.) available on line. I apologize, but I do not have the web pages sync'd with my office computer. If you think they might help, then please let me know and I will pull the bookmarks. Another interesting area that might have some info on his work as a civil engineer during the war would be the single volume of the CSA Attorney General, most of the time it was Benjamin P. Judah. He served the CSA in many capacities, but his work as the CSA AG formed the basis of much of the International Law of War on Spies. As I recall, although it has been some time since I did my research on that area, there were several areas covered that were more civilian in nature including some govt. bldg. or surveying. The link to the CSA govt. records, separate from the OR's, should involve a university. I will find it and repost. Good Hunting. Greg