Not all of the “heraldry” I saw during my brief hour in Vicksburg was very heraldic. Here we have a rendition of the seal of the State of Indiana.
It’s not even a terribly good landscape, and is certainly not good heraldry. Here’s a drawn version of it in color that might be easier to make out (and which also makes that galloping bison a lot less prominent).
A similar quasi-heraldic item that I ran across in Vicksburg was the seal of the State of Ohio.
It's another landscape, and is also not good heraldry. Below is a color rendition for comparison.