From Caucus Cut Entrance Gas and Whistling Buoy, 1A, 3° (N. ⅛ W.), tangent to easterly side of Fort Pickens, to the shore of Santa Rosa Island, and from the buoy northward in the buoyed channel through Caucus Shoal.
Mobile Harbor and Bay.
From Mobile Entrance Gas and Whistling Buoy (PS) 40° (NE. ⅞ N.) to shore of Mobile Point, and from the buoy 320° (NW.) to the shore of Dauphin Island. Pilot Rules for Western Rivers apply in Mobile River above Choctaw Point.
Sounds, Lakes, and Harbors on the Coasts of Alabama, Mississippi, and Louisiana, between Mobile Bay entrance and the Delta of the Mississippi River.
From Sand Island Lighthouse 259° (WSW. ⅝ W.), 43½ miles, to Chandeleur Lighthouse; westward of Chandeleur and Errol Islands, and west of a line drawn from the southwesterly point of Errol Island 182° (S. ¼ E.), 23 miles, to Pass a Loutre Lighthouse. Pilot Rules for Western Rivers apply in Pascagoula River, and in the dredged cut at the entrance to the river, above Pascagoula River Entrance Light, A, marking the entrance to the dredged cut.
New Orleans Harbor and the Delta of the Mississippi River.
Inshore of a line drawn from the outermost mud lump showing above low water at the entrance to Pass a Loutre to a similar lump off the entrance to Northeast Pass; thence to a similar lump off the entrance to Southeast Pass; thence to the outermost aid to navigation off the entrance to South Pass; thence to the outermost aid to navigation off the entrance to Southwest Pass; thence northerly, about 19½ miles, to the westerly point of the entrance to Bay Jaque.
Sabine Pass, Tex.
Pilot Rules for Western Rivers apply to Sabine Pass northward of Sabine Pass Gas and Whistling Buoy (PS), and in Sabine Lake and its tributaries. Outside of this buoy the International Rules apply.