- McAnlis, C. R., cartographer.1
- McGee, W J, 1853-19121
- Melton, A. P.1
- Mendenhall, Edward, cartographer.1
- Mess, George Joseph, 1898-19621
- Meuschke, J. L.1
- Middleton, Philip (Soil surveyor),surveyor.1
- Miller, J. T. (John T.),1906-cartographer,surveyor.1
- Mills, J. Blair (Soil surveyor)1
- Minto, George1
- Mitchell, S. Augustus (Samuel Augustus), 1792-18681
- Moore, Will H., 1850-cartographer.1
- Moran, W. H. (William H.)1
- Morris, Ralph C. Z. (Soil surveyor)1
- Morrow, Jackson, 1849-cartographer.1
- Morthland, Wm. E.1
- Mortorff, H. H., cartographer.1
- Murray, Haydn H. (Haydn Herbert),1924-cartographer.1
- Neill, N. P. (Nelson Prentice),cartographer,surveyor.1
- Noble, Claude E., cartographer.1