MGL1109_SubbottomProfiler11MGL1109 Chirp - US Extended Continental Shelf Project: Gulf of Alaska CHIRP High-Resolution Seismic Profile Data (ID: tmpID) at E: -138.18889, W: -153.01673, N: 57.78363, S: 53.18759#footprint-153.01673,53.18759 -138.18889,53.18759 -138.18889,57.78363 -153.01673,57.78363 -153.01673,53.18759