Unicorn Mill Pond means the area of pooled water at the headwaters of Unicorn Branch east of a line beginning at a point, at or near Lat. 39° 14.863’ N., Long. 75° 51.572’ W., then running 90° (True) to a point, at or near Lat. 39° 14.863’ N., Long. 75° 51.552’ W., in Queen Anne’s County, formed by the dam and lake bottom. Unicorn Mill Pond has a 6-knot speed limit all year.