Identifying hard spots

[Hez]

I noticed these hard returns on the bottom at certain points tonight - any idea what they may be. Possibly shell beds?

[Wayne P.]

Since that is the Side Imaging view, there should be more of an area with a shell bed taking up more of the bottom. Sort of like this:

[Hez]

Thanks Wayne,
so it is likely just something random and insignificant.

[Hunna]

Thanks for the pics.