- Rakestraw, O. F., cartographer.1
- Rauch, J. D., cartographer.1
- Riedel, W. P., cartographer.1
- Roehrig, C. Wm., cartographer.1
- Roeser, C. (Charles)1
- Rose, C. M., surveyor.1
- Royce, Charles C., 1845-19231
- Ruger, A., cartographer.1
- Sandstrom, Theo.1
- Sauers, Chas. G. (Charles G.)1
- Sauers, Chas. G. (Charles G.),compiler.1
- Saunders, J. D. (Cartographer)1
- Sayler, Nelson1
- Schneider, Allan F. (Allan Frank),1926-cartographer.1
- Schroeder, Frank C.1
- Schwender, William A., cartographer.1
- Shaffer, Nelson R.1
- Shartle, Stanley Musgrave, cartographer.1
- Shearin, A. E.1
- Sherman, C. E. (Christopher Elias), 1869-19401