- Darton, N. H., 1903, Preliminary report on the geology and water resources of Nebraska west of the one hundred and third meridian: Professional Paper 17, 69 p.,
- Girty, G. H., 1903, The Carboniferous formations and faunas of Colorado: Professional Paper 16, 546 p.,
- Iddings, J. P., 1903, Chemical composition of igneous rocks expressed by means of diagrams, with reference to rock classification on a quantitative chemico-mineralogical basis: Professional Paper 18, 98 p.,
- Langille, H. D.; Plummer, F. G.; Dodwell, Arthur; Rixon, T. F.; Leiberg, J. B., 1903, Forest conditions in the Cascade Range Forest Reserve, Oregon: Professional Paper 9, 298 p.,
- Mendenhall, W. C.; Schrader, F. C., 1903, The mineral resources of the Mount Wrangell district, Alaska: Professional Paper 15, 71 p.,
- Ransome, F. L., 1903, Geology of the Globe copper district, Arizona: Professional Paper 12, 168 p.,
- Ries, Henrich, 1903, The clays of the United States east of the Mississippi River: Professional Paper 11, 298 p.,
- Smith, G. O.; Willis, Bailey, 1903, Contributions to the geology of Washington: Professional Paper 19, 101 p.,
- Tight, W. G., 1903, Drainage modifications in southeastern Ohio and adjacent parts of West Virginia and Kentucky: Professional Paper 13, 111 p.,
- Washington, H. S., 1903, Chemical analyses of igneous rocks published from 1884 to 1900, with a critical discussion of the character and use of analyses: Professional Paper 14, 495 p.,
