Joanna16
Skinning dipping? Where? When?
JG1222
If I had to guess, and I think that was the point, If it were not for what appears to be the tree branch, I'd say the ceiling of the Weirs Channel where the marks are from the Mount when it came from Lakeport to the Weirs and had to be forced under the bridge.
Of course if we had a rough date that your youthful indescrestion occurred then it might help LOL