discussed Cited "see" United States v. Moseley See Riverside Bayview Homes, 474 U.S. at 127 , 106 S.Ct. at 459 . ("Only when a permit is denied and the effect of the denial is to prevent `economically viable' use of the land ... can it be said that a taking has occurred.") See also Bowles v. United States Army Corps of Engineers, 841 F.2d 112, 113, 114 (5th Cir.), cert. denied, 488 U.S. 803 , 109 S.Ct. 33 , 102 L.Ed.2d 13 (1988), American Dredging Co. v. Dutchyshyn, 480 F.Supp. 957, 961-62 (E.D.Pa.), aff'd without opinion, 614 F.2d 769 (3d Cir.1979).