A) Shooters Dock, Site 2 



Upper top ROIs (both left and right) are 

 in the water column. Bottom four are the 

 sediment-water interface 



B) State Pier 



All ROIs are in the sediment 



C) Sassafras Point 



All ROIs are in the sediment 



Figure 5 A-C. RGB Images at Shooters Dock, Site 2 (A), State Pier (B), and Sassafras Point (C) 

 showing full mask (i.e., complete imaging) and spatial location of individual ROIs. 



