The Mill Creek areas, with their corresponding speed limits, are set forth in §§B—D of this regulation. Martins Cove and Mill Creek Proper. Area. All of waters upstream of a line beginning at a point, at or near Lat. 39º0.035' N, Long. 76º27.435' W; then running 97° True to a point, at or near Lat. 39º0.025' N, Long. 76º27.298' W. The speed limit for the area described in §B(1) of this regulation is 6 knots on every: Saturday; Sunday; and State or federal holiday. The Northern Branch encompasses the area beginning at a point, at or near Lat. 38° 59.763' N., Long. 76° 27.175' W., then running 111° (True) to a point, at or near Lat. 38° 59.722' N., Long. 76° 27.033' W., and running to the head of the branch including all tributaries. This area has a 6-knot speed limit Saturdays, Sundays, and State holidays, all year. Mill Creek entrance channel encompasses the area upstream of a line beginning at a point, at or near Lat. 38° 59.533' N., Long. 76° 27.013' W., then running 77° (True) to USCG DB2M, at or near Lat. 38° 59.567' N., Long. 76° 26.823' W., then running 13° (True) to a point, at or near Lat. 38° 59.700' N., Long. 76° 26.783' W., and downstream of a line beginning at or near Lat. 38° 59.593' N., Long. 76° 27.022' W., then running 342° (True) to a USCG DB 10M, at or near Lat. 38° 59.675' N., Long. 76° 27.055' W., then running 18° (True) to a point, at or near Lat. 38° 59.722' N., Long. 76° 27.035' W. This area has a 6-knot speed limit Saturdays, Sundays, and State holidays during the boating season.