Keystone Bituminous Coal Ass'n v. DeBenedictis, U.S. (), is an important United States Supreme Court case interpreting the Fifth Amendment's.
Law School Case Brief. Keystone Bituminous Coal Ass'n v. DeBenedictis - U.S. , S. Ct. (). Rule: Land use regulation can effect a taking if .
Land subsidence due to coal mining is a significant problem in Pennsylvania that causes widespread property damage. Keystone claimed that the Subsidence Act’s prohibition on mining coal constituted a taking requiring just compensation. Keystone appealed to the Supreme Court.