[Code of Federal Regulations] [Title 33, Volume 3] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR239.1] [Page 329] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER II--CORPS OF ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF DEFENSE PART 239_WATER RESOURCES POLICIES AND AUTHORITIES: FEDERAL PARTICIPATION IN Sec. 239.1 Purpose. This regulation establishes policy for determining the extent of Federal participation in covered flood control channels.