People walking around their land might find the still....
Sometimes compensation is fair, sometimes not. Usually if it is a private company they will pay well. Sometimes Govt pays well (after all it is only tax money), other times Govt stiffs the land owners.
They might get a better response if they give an estimated price up front.
I used to draw maps and property plats for gas pipelines. There were always a few looneytunes holdouts who thought they were going to become millionaires for letting a pipeline cross their property.