Grand River Dam Authority v. Grand-Hydro

The federal question in this action for condemnation under Oklahoma law is whether the Federal Power Act1 had so far affected the use or value of certain land for power site purposes as to render inadmissible expert testimony which gave recognition to that land's availability for a power site. We hold that it had not. We thus see no adequate reason to reverse the Supreme Court of Oklahoma which had held that such testimony was properly admitted in a state condemnation proceeding.

This action was brought by the petitioner, Grand River Dam Authority, in the District Court for Mayes County,…