Hi, it sounds like you're looking for an archaeologist! While there are a few kicking around here (so it's possible that you will get an answer here), there are more over in our sister sub /r/AskAnthropology, and of course their home base /r/Archaeology (although the latter is not an "ask" sub). Recommending that you x-post to one or both -- or /r/AskScience (social sciences category) -- for the best chance of getting an answer.