You must be allowed to retrieve your property, since you'd had it placed with permission of the then-owner (i.e. your placing it there was not trespassing or otherwise illegal). If not, you could likely sue for its value, since they have no right to take or withhold the posts, etc. from you. However, you do not have a right to get an easement: easements are either given voluntarily (e.g. the other property owner will give or sell you it) or are given by a court if you have land of your own which can *only* be accessed by crossing another person's land. In that limited case, you can get an easement to cross the land to get to your property. But the fact that you previously had an oral (that's the better term than "verbal") agreement to use land with a prior owner does not give you any rights to an easement.