- Mullineaux, Donal Ray, 1925-1
- Myers, W. Bradley, 1917-1
- National Geophysical and Solar-Terrestrial Data Center1
- Nebraska Geological Survey1
- O'Leary, Dennis W.1
- O'Neill, J. Michael1
- Olive, Wilds W. (Wilds Williamson), 1921-1
- Outerbridge, William F.1
- Patton, William Wallace, 1923-1
- Pavlides, Louis, 1921-1
- Pomeroy, John S., 1929-1
- Posner, Alex1
- Potts, Roger B., cartographer1
- Prinz, William C., 1928-1
- Prostka, Harold J.1
- Quinn, Alonzo W. (Alonzo Wallace), 1899-19771
- Rainey, Henry C.1
- Raymond, William H.1
- Reed, Bruce L., 1934-1
- Reed, Robert, C.1
GeoBlacklight version 4.1.0
