Um... I have to add, I would definitely have stopped the project. In fact I have to say I think reporting it now would still be a good idea. I hate to say it, but you just posted about covering up a dead body (however old) on the Internet and I believe this is going to obligate you to act upon it. You never know if that could be a modern missing person, and you would not want to be an accessory to a cover up. If it's a burial from another century, it would be more respectful to the deceased to allow them a reburial in a cemetery, especially if this was a 19th century murder victim and the archaeologists should be allowed to do their job. Sorry GA.