- Blevins, Dale W., 2006, The Response of Suspended Sediment, Turbidity, and Velocity to Historical Alterations of the Missouri River: Circular 1301, vi, 15 p.,
- Brocher, Thomas M.; Carr, Michael D.; Halsing, David L.; John, David A.; Langenheim, Victoria E.; Mangan, Margaret T.; Marvin-DiPasquale, Mark C.; Takekawa, John Y.; Tiedeman, Claire R., 2006, USGS science in Menlo Park -- a science strategy for the U.S. Geological Survey Menlo Park Science Center, 2005-2015: Circular 1290, vi, 42 p.: ill.,
- Carlin, James F., Jr., 2006, Antimony recycling in the United States in 2000: Circular 1196-Q, v, 8 p. [Q1-Q8],
- Friend, Milton, 2006, Tularemia: Circular 1297, xi, 67 p. : col ill., col. maps ; 28 cm.,
- Friend, Milton, 2006, Disease emergence and resurgence: the wildlife-human connection: Circular 1285, 400 p.,
- Geological Survey (U.S.), 2006, USGS Information Technology Strategic Plan: Fiscal Years 2007-2011: Circular 1304, iv, 19 p.,
- Geological Survey (U.S.); edited by Brunstein, F. Craig, 2006, U.S. Geological Survey activities related to American Indians and Alaska Natives fiscal year 2004: Circular 1296, xiv, 126 p.,
- Gilliom, Robert J.; Barbash, Jack E.; Crawford, Charles G.; Hamilton, Pixie A.; Martin, Jeffrey D.; Nakagaki, Naomi; Nowell, Lisa H.; Scott, Jonathan C.; Stackelberg, Paul E.; Thelin, Gail P.; Wolock, David M., 2006, Pesticides in the Nation‘s Streams and Ground Water, 1992-2001: Geological Survey (U.S.) Circular 1291, viii, 173 p.,
- Jorgenson, John D., 2006, Germanium recycling in the United States in 2000: Circular 1196-V, v, 10 p. [V1-V10],
- Kropschot, Susan J., 2006, USGS Mineral Resources Program--Supporting Stewardship of America‘s Natural Resources: Circular 1289, v, 35 p.,
- Murphy, Sheila F., 2006, State of the watershed: water quality of Boulder Creek, Colorado: Circular 1284, 34 p.,
- Plunkert, Patricia A., 2006, Aluminum recycling in the United States in 2000: Circular 1196-W, 16 p.,
- Sanford, W. E.; Caine, J. S.; Wilcox, D. A.; McWreath, H. C.; Nicholas, J. R., 2006, Research opportunities in interdisciplinary ground-water science in the U.S. Geological Survey: Circular 1293, vi, 21 p.,
- Verdi, Richard Jay; Tomlinson, Stewart A.; Marella, Richard L., 2006, Drought of 1998-2002: impacts on Florida‘s hydrology and landscape: Circular 1295, viii, 34 p.: foldout ill. (Fig. 5, Table 2), 11 x 17 in.,
- Virta, Robert L., 2006, Worldwide Asbestos Supply and Consumption Trends from 1900 through 2003: U.S. Geological Survey Circular 1298, v, 80 p.,
- Wood, Nathan J.; Halsing, David L., 2006, Opportunities and Needs for Mobile-Computing Technology to Support U.S. Geological Survey Fieldwork: Circular 1299, iv, 24 p.,
- Zogorski, John S.; Carter, Janet M.; Ivahnenko, Tamara; Lapham, Wayne W.; Moran, Michael J.; Rowe, Barbara L.; Squillace, Paul J.; Toccalino, Patricia L., 2006, Volatile organic compounds in the nation‘s ground water and drinking-water supply wells: Circular 1292, 101 p.,
