- Arnold, Ralph, 1906, The Tertiary and Quaternary pectens of California: Professional Paper 47, 264 p.,
- Ashley, G. H.; Glenn, L. C., 1906, Geology and mineral resources of part of the Cumberland Gap coal field, Kentucky: Professional Paper 49, 239 p.,
- Brooks, A. H.; Abbe, Cleveland, Jr.; Goode, R. U., 1906, The geography and geology of Alaska; a summary of existing knowledge, with a section on climate, and a topographic map and description thereof: Professional Paper 45, 327 p.,
- Calhoun, F. H. H., 1906, The Montana lobe of the Keewatin ice sheet: Professional Paper 50, 62 p.,
- Darton, N. H., 1906, Geology of the Bighorn Mountains: Professional Paper 51, 129 p.,
- Darton, N. H., 1906, Geology and underground waters of the Arkansas Valley in eastern Colorado: Professional Paper 52, 90 p.,
- Fisher, C. A., 1906, Geology and water resources of the Bighorn Basin, Wyoming: Professional Paper 53, 72 p.,
- Lindgren, Waldemar; Ransome, F. L., 1906, Geology and gold deposits of the Cripple Creek district, Colorado: Professional Paper 54, 516 p.,
- Parker, E. W.; Holmes, J. A.; Campbell, M. R., 1906, Report on the operations of the coal-testing plant of the United States Geological Survey at the Louisiana Purchase Exposition, Saint Louis, Missouri, 1904: Professional Paper 48, 1492 p.,
- Spurr, J. E., 1906, Ore deposits of the Silver Peak quadrangle, Nevada: Professional Paper 55, 174 p.,
- Veatch, A. C., 1906, Geology and underground water resources of northern Louisiana and southern Arkansas: Professional Paper 46, 422 p.,
- Veatch, A. C.; Slichter, C. S.; Bowman, Isaiah; Crosby, W. O.; Horton, R. E., 1906, Underground water resources of Long Island, New York: Professional Paper 44, 394 p.,
