Maps showing Mapping Priority Area 1 (top) and Mapping Priority Area 2 (bottom) for Leg 1 of the expedition. The priority areas for intensive mapping survey operations are shown in the white polygons. Color-coded bathymetry previously collected by the Okeanos Explorer or as part of the UNCLOS Extended Continental Shelf Initiative (Sigsbee Escarpment data courtesy of UNH CCOM) is shown in the background for context. The grey boxes in the lower map are the Flower Garden Banks National Marine Sanctuary and Habitat Areas of Particular Concern. The green line is the U.S. Exclusive Economic Zone. Image courtesy of NOAA Okeanos Explorer Program.