WAC 220-300-250
WAC 220-300-250. Geographical definitions — Willapa Bay
The term "Willapa Bay" shall be construed to include all the waters of Willapa Bay outside the mouth of any tributary river or stream inside and easterly of a line from Leadbetter Point (46°39'12"N, 124°3'31"W) due west to 46°39'12"N, 124°5'20"W then due north to the westerly most landfall on Cape Shoalwater at 46°44'40"N, 124°5'20"W.