[HayZee518]

I put the photo into one of my programs and magnified it 40%.
The two twin breakers in the lower left side.
It appears there is a tie-bar between the upper and lower breaker - correct?
The black wire on the upper and white wire on the lower connect to a 220 device - correct?
Also the lower black goes to yet another circuit - which I assume to be your shed. Uh, there is NO tie bar connection to this part of the twin - correct?
By the way - this panel is your main.
It is a 200 ampere - 8 circuit panel. The neutral is tied to ground at some point be it a screw or jumper wire to the case.
I think I can make out the twisted bare ground going to the neutral for your 100 amp line.
So, therefore in your panel in the house there is NO aux ground bar for the equipment ground connections. Is your neutral in the house tied to the panel ground through a screw?
How old is this house? I remember getting "nailed" by an inspector in Massachusetts because I didn't run an SER cable to a sub panel in 1992.
I did eventually.