Jill Heinerth snaps a self portrait using her rebreather. Image courtesy of Jill Heinerth, Bermuda Deep Water Caves 2011 Exploration, NOAA-OER.
Jill Heinerth snaps a self portrait using her rebreather. Image courtesy of Jill Heinerth, Bermuda Deep Water Caves 2011 Exploration, NOAA-OER.
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