 "United States v. Riverside Bayview Homes, Inc.", 474 U.S. 121.The Corps issued regulations construing the Act to cover all "freshwater wetlands" that are adjacent to other covered waters.These regulations defined the adjacent wetlands as "those areas that are inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions."