Publisher
- Leland County Board of Supervisors1
- Lewiston Boosters1
- Livingston County Road Commission1
- M. Carey (Philadelphia, Pa.)1
- Mackinac County Board of Supervisors1
- Mason County Board of Road Commissioners1
- Mecosta County Road Commission1
- Michigan Bell Telephone Company1
- Michigan Center for Geographic Information1
- Michigan Dept. of Conservation (Lansing, Mich)1
- Michigan Dept. of Conservation (Lansing, Mich)1
- Michigan Geological Survey (Lansing, Mich)1
- Michigan State Highway Department1
- Michigan State University Remote Sensing & GIS Research and Outreach Services1
- Michigan Technological University1
- Miller's Lith1
- Missaukee County Road Commission1
- Monroe County Road Commission1
- Montcalm County Road Commission1
- Newaygo County Board of Supervisors1