the open area has these points as outer edges:

1. 48 11 N, 125 11 W
2. 48 11 N, 124 59 W
3. 48 04 N, 124 59 W
4. 48 04 N, 125 11 W

the open area is surrounded by a c-shaped closure area (to help reduce yelloweye catch) with these outer edges:

1. 48 18 N, 125 18 W
2. 48 18 N, 124 59 W
3. 48 00 N, 124 59 W
4. 48 00 N, 125 18 W

chris