33 CFR Part 323 - Permits for Discharges of Dredged or Fill Material Into Waters of the United States
Federal Registered notice for the Final Revisions to the Clean Water Act Regulatory Definitions of "Fill Material" and "Discharge of Fill Material" - 9 May 2002
Qs and As on the “Fill” Rule
Corps and EPA Clarify Definition of Fill
EPA/Corps of Engineers Definition of "Fill Material" Rule Fact Sheet