Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.167.251 In the approaches to the Cape Fear River:  Precautionary area

A precautionary area is established bounded by a line connecting the following geographical positions:  from 33°47.65' N, 78°04.78' W;  to 33°48.50' N, 78°04.27' W;  to 33°49.53' N, 78°03.10' W;  to 33°48.00' N, 78°01.00' W;  to 33°41.00' N, 78°01.00' W;  to 33°41.00' N, 78°04.00' W;  to 33°44.28' N, 78°03.02' W;  then by an arc of 2 nautical miles radius, centered at 33°46.03' N, 78°05.41' W;  then to the point of origin at 33°47.65' N, 78°04.78' W.