[Code of Federal Regulations]
[Title 33, Volume 3]
[Revised as of July 1, 2001]
From the U.S. Government Printing Office via GPO Access
[CITE: 33CFR334.240]

[Page 508-509]
 
                TITLE 33--NAVIGATION AND NAVIGABLE WATERS
 
         CHAPTER II--CORPS OF ENGINEERS, DEPARTMENT OF THE ARMY
 
PART 334--DANGER ZONE AND RESTRICTED AREA REGULATIONS--Table of Contents
 
Sec. 334.240  Potomac River, Mattawoman Creek and Chicamuxen Creek; U.S. Naval Surface Weapons Center, Indian Head Division, Indian Head, Md.

    (a) The danger zone. Beginning at a point on the easterly shore of 
the Potomac River at latitude 38 deg.36'00", longitude 77 deg.11'00"; 
thence to latitude 38 deg.34'30"; longitude 77 deg.13'00"; thence to 
latitude 38 deg.33'20", longitude 77 deg.14'20"; thence to latitude 
38 deg.32'20", longitude 77 deg.15'10"; thence to latitude 
38 deg.32'00", longitude 77 deg.15'00"; thence to latitude 
38 deg.32'30", longitude 77 deg.14'00"; thence to

[[Page 509]]

latitude 38 deg.32'30", longitude 77 deg.14'00"; thence upstream along 
the easterly shoreline of Chicamuxen Creek to its head thence downstream 
along the westerly shoreline of Chicamuxen Creek to the southernmost 
point of Stump Neck; thence northeasterly along the shoreline of Stump 
Neck to the mouth of Mattawoman Creek; thence along the southeasterly 
shore of Mattawoman Creek to the pilings remaining from the footbridge 
connecting the left bank of the creek to the Naval Surface Warfare 
Center, Indian Head Division; thence along the northwesterly shore of 
Mattawoman Creek from the pilings remaining from the footbridge to the 
mouth of the creek; thence in a northeasterly direction along the 
easterly shore of the Potomac River to the point of beginning.
    (b) The regulations. (1) Firings consisting of controlled explosions 
within the danger zone, and controlled shore operations, or accidental 
explosions, hazardous to vessel traffic within the limits of the danger 
zone, may take place at any time of the day or night and on any day of 
the week.
    (2) Flashing red lights, horns, and signs established at appropriate 
points will warn vessels of impending tests or operations considered to 
be hazardous to vessels within the danger zone.
    (3) No persons or vessels except vessels of the United States or 
vessels authorized by the enforcing agency shall enter or remain in the 
danger zone while lights are flashing, when warning horns are in 
operation, or when warned or directed by a patrol vessel.
    (4) Nothing in this section shall prohibit the use of Mattawoman 
Creek or Chicamuxen Creek as a harbor of refuge because of stress of 
weather.
    (5) Except as prescribed in paragraph (b)(3) of this section, 
persons and vessels may enter and proceed through the danger zone 
without restriction. However, accidental explosions may occur at any 
time and persons and vessels entering the area do so at their own risk.
    (6) Fishermen operating in the danger zone when warning signals are 
sounded shall evacuate the area immediately.
    (7) The regulations in this section shall be enforced by the 
Commanding Officer, U.S. Naval Surface Warfare Center, Indian Head 
Division, Indian Head, Maryland.

[26 FR 9748, Oct. 17, 1961, as amended at 48 FR 54598, Dec. 6, 1983. 
Redesignated at 50 FR 42696, Oct. 22, 1985, as amended at 62 FR 17552, 
Apr. 10, 1997]