https://www.humminbird.com/uploadedF...UTHEAST_r7.pdf
https://www.humminbird.com/uploadedF...IDSOUTH_r1.pdf
Here are both and the lakes they cover. Looks like Midsouth has way more than SE version. Just have to look under MS and see if they cover what your looking for. If lake is highlited that means it is the latest and greatest High Definition.