The head of Astoria Canyon, looking east. ROPOS dive tracks are shown for June 28 (blue); June 29 (fuschia); June 30 (green); July 1 (white) and July 2 (red and black). Image courtesy of Lewis and Clark 2001, NOAA/OER.
The head of Astoria Canyon, looking east. ROPOS dive tracks are shown for June 28 (blue); June 29 (fuschia); June 30 (green); July 1 (white) and July 2 (red and black). Image courtesy of Lewis and Clark 2001, NOAA/OER.