Creator
- Map Library1
- Marquette County (Mich.)1
- Mason County (Mich.)1
- Mathews & Longyear.1
- Matthews-Northrup Company1
- Matthias, Benjamin I.1
- Mayo, Geo. U. (George U.)1
- McCracken, T.1
- Mead, Cecil A.1
- Mecosta County Road Commission1
- Merrell, H. B. (Harvey B.), publisher1
- Michigan Bell Telephone Company1
- Michigan Center for Geographic Information1
- Michigan Land & Iron Company1
- Michigan Mutual Life Insurance Company.1
- Michigan School Furniture Company.1
- Michigan State College. Conservation Institute1
- Michigan State University Remote Sensing & GIS Research and Outreach Services1
- Michigan Technological University1
- Michigan. Department of Commissioner of Railroads1