- Pessl, Fred1
- Pickett, Thomas E.1
- Pierce, William Gamewell, 1904-1
- Pomeroy, John S., 1929-1
- Price, Raymond A.1
- Pusat Pembangunan Masyarakat1
- Randall, Allan D., 1932-1
- Research Council of Alberta1
- Roed, M. A., 1937-1
- Roen, John B.1
- Smith, J. Hiram1
- South Dakota Geological Survey1
- Stewart, J. W. (Joe W.), 1918-1
- Swanson, Roger Warren, 1914-1
- Taylor, F. C.1
- Tokarsky, O.1
- Trask, N. J. (Newell Jefferson)1
- United States. Army Topographic Command, cartographer1
- United States. Forest Service. Northern Region1
- United States. Forest Service. Southwestern Region, cartographer, publisher1
GeoBlacklight version 4.1.0
