i will always say DIG! but you have to consider in this situation that the most important (valueable not only monetarily but of extreme historical value) items collected from a sight like this is the forementioned articles. these can be found easily w/ metal detectors (highly recommended slslea). all you want to find is something small that can be authenticated, the interested groups will be drooling over getting acesss to that land ,and you don't do shit but collect the $$$$$$$$$$$$$$$$$$ scope the area good, say to yourself if i were here ,where would i build a house etc..... you want to find the actual slave house, not bodies. tools slave tags ,leggings anythig like that. you did say you owned the land, right?