The case of Goldblatt v. Town of Hempstead (369 U.S. 590, 1962) involved a takings claim by the operator of a gravel pit who was prohibited by a town ordinance from continuing to excavate from an open pit that had gone below the water table. Discuss how the court would evaluate the compensation question based on
(1) the noxious use doctrine;
(2) the diminution of value test;
(3) the nuisance exception; and
(4) the efficient threshold rule.