Section 7.140 - Cape Blanco, OR to Cape Flattery, WA(a) A line drawn from the seaward extremity of the Coos Bay South Jetty to latitude 43°21.9' N. longitude 124°21.7' W. (Coos Bay Entrance Lighted Bell Buoy "1"); thence to the seaward extremity of the Coos Bay North Jetty.(b) A line drawn from the lookout tower located in approximate position latitude 46°13.6' N. longitude 124°00.7' W. to latitude 46°12.8' N. longitude 124°08.0' W. (Columbia River Entrance Lighted Whistle Buoy "2"); thence to latitude 46°14.5' N. longitude 124°09.5' W. (Columbia River Entrance Lighted Bell Buoy "1"); thence to North Head Light.(c) A line drawn from latitude 46°52.8' N. longitude 124°12.6' W. (Grays Harbor Light to Grays Harbor Entrance Lighted Whistle Buoy "2"); thence to latitude 46°55.0' N. longitude 124°14.7' W. (Grays Harbor Entrance Lighted Whistle Buoy "3"); thence to Grays Harbor Bar Range Rear Light.