Comment by sandworm101
2 days ago
The law addressed this centuries ago. The general rule is that you can enforce such rules for a generation plus twenty years. That may seem like a long time, but the rule prevents the "cold hand from the grave" dictating how living people should act.
https://en.wikipedia.org/wiki/Rule_against_perpetuities
In this case, the farmer should have talked to a lawyer first. There are ways to set thing up to prevent misuse.
Apparently not in South Dakota.
It can be done. A basic strategy would be to donate the land,but retain "air rights", retain an easment controlling all biuldings over a few feet tall. This is regularly done to protect views when selling land downhill of a house. Farms and parks would be OK, but not construction of a datacenter.
But governments have eminant domain powers. They can always force a purchase if they really want to.