(b) A person may not set any pound net or stake net in the headwaters of the Chesapeake Bay, except those areas within 2,400 feet from the natural shoreline in Cecil County, the bay shore of Kent County up to Howell Point, and those areas within 2,400 feet from the shore on the west side of the bay from Pooles Island north to one-half mile north of Spesutie Island. For the purpose of this subsection the headwaters of the Chesapeake Bay are defined as the waters embraced in the area marked by the following line:

Beginning at Concord Point and running in a northeasterly direction, crossing Susquehanna River to Stump Point, then to Carpenter's Point, then to Turkey Point, then to Grove Point, all in Cecil County, then to Howell Point, Kent County, continuing in a straight line from Howell Point in a southwesterly direction across the bay to Abbey Point, the northernmost point at the entrance of Bush River, then northerly by a line following the bay shore of Harford County to Mulberry Point, then to Bear Point, Sandy Point, and to Locust Point on Spesutie Island, then to the southernmost point at the entrance of Swan Creek, and then crossing Swan Creek and continuing in a northerly direction following the bay shore to Concord Point, the place of beginning.