Creator
- Mooney, Harold Morton1
- Moore, Michael1
- Morey, Daryl D.1
- Morey, W1
- Moritz Ruhl (Firm)1
- Morris, C. J. A. (Engineer)1
- Morris, Charles (Surveyor)1
- Morris, Chas. A. F. (Charles A. F.), 1827-19031
- Morrison and Robinson (Firm : Publishers)1
- Morrow, A. T.1
- Morse, Sidney E. (Sidney Edwards), 1794-18711
- Mortier, Corneille1
- Mortier, Pierre, 1661-17111
- Morton, Robert H.1
- Mossler, J.H.1
- Mountcastle Map Co.1
- Moxon, J. (James)1
- Mudrey, M.G., Jr.1
- Mudrey, Mike G., Jr.1
- Muir, H. E. (Engineer)1