Mid West Federation
The Midwest Federation Of Mineralogical and Geological Societies is a member of the American Federation of Mineralogical Societies.c
It was organized in 1940, and is one of the original four founders of the AFMS in 1947.
It encompasses a region of 11 states and has over 100 different clubs.
A list of their officers, committees, and bylaws can be found on their website.