The Saginaw Charter Township Zoning Map was prepared by the Saginaw Area GIS Authority on September 2, 2020.

The Zoning Ordinance for Pittsfield Charter Township was prepared by the Pittsfield Township Planning Commission and revised through October 1983.

The Zoning Ordinance of Ada Township was originally adopted on October 10, 1966, and was amended on April 14, 1969 and again on September 29, 1971.

The Zoning Ordinance for the City of Gaylord has 45 pages and 21 sections. There is no date associated with this ordinance.