Perhaps this is semantics, but you're not placing a claim on a piece of land for eternity. You're placing a claim on any piece of land. And it's not for etern

Perhaps this is semantics, but you're not placing a claim on a piece of land for eternity. You're placing a claim on any piece of land. And it's not for eternity. It's for so long as the land is not otherwise used or until geologic forces make it irrelevant.