The Bush River includes all the waters of the Bush River and its tributaries upstream of a line beginning at Lego Point, at or near Lat. 39° 20.210' N., Long. 76° 15.252' W., then running 58° (True) to Abbey Point, at or near Lat. 39° 20.970' N., Long. 76° 13.687' W.
Md. Code Regs. 08.18.38.01