Originally Posted by bigcountry

First. a proper survey is in order. You won't believe how many people swear up and down land is thiers over the years, and it is not. And posting land that is not yours can make you liable.

I have had it happen. And I have also made mistakes on this.

Second, a blue stripe in MD on trees close to the border is made at eye hieght. Second, just signs will will be good enough.