Agenda Item F.3.c Supplemental Public Presentation 4 (Seabrook) April 2018
Known seeps before 2010
Hydrate Ridge – Pythias Seep Photos provided by D. Kelley, J.Delaney, K. Bigham, and B Phillip, University of Washington.
Heceta Banks Photos provided by Ocean Exploration Trust
Astoria Canyon Photos provided by Ocean Exploration Trust
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