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N. L. Roberts, Piotrowski, A. M., McManus, J. F., and Keigwin, L. D., Interpreting Nd isotope and Pa-231/Th-230 records in the deep Western North Atlantic, Geochimica Et Cosmochimica Acta, vol. 73, no. 13, pp. A1107-A1107, 2009.
M. L. Roberts, Culp, R. A., Dvoracek, D. K., Hodgins, G. W. L., Neary, M. P., and Noakes, J. E., The 14C AMS system at the University of Georgia, Nuclear Instruments and Methods in Physics Research, vol. B 233-224, no. 50-54, 2004.
M. L. Roberts, von Reden, K. F., Han, B. X., Schneider, R. J., Benthien, A., and Hayes, J. M., Continuous-Flow Accelerator Mass Spectrometry, in the International Symposium on Utilization of Accelerators, Dubrovnik Croatia, 2005.
N. L. Roberts, McManus, J. F., Piotrowski, A. M., and I. McCave, N., Advection and scavenging controls of Pa/Th in the northern NE Atlantic, Paleoceanography, vol. 29, no. 6, pp. 668 - 679, 2014.
M. L. Roberts, Culp, R. A., Dvoracek, D. K., Hodgins, G. W. L., Neary, M. P., and Noakes, J. E., The 14C AMS system at The University of Georgia, Proceedings of the Ninth International Conference on Accelerator Mass Spectrometry, vol. 223-224, pp. 1-4, 2004.
M. L. Roberts, Schneider, R. J., von Reden, K. F., Wills, J. S. C., Han, B. X., Hayes, J. M., Rosenheim, B. E., and Jenkins, W. J., Progress on a gas-accepting ion source for continuous-flow accelerator mass spectrometry, Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, vol. 259, no. 1, pp. 83-87, 2007.
M. L. Roberts, Culp, R. A., Dvoracek, D. K., Hodgins, G. W. L., Neary, M. P., and Noakes, J. E., The 14C AMS system at the University of Georgia, in International Conference on Accelerator Mass Spectrometry, Nagoya, Japan, 2002.
H. H. Roberts, Surficial geology of the middle and upper continental slope, northern Gulf of Mexico; the important role of episodic fluid venting, AAPG Bulletin, vol. 80, no. 9, p. 1511, 1996.
M. L. Roberts, Benthien, A., Schneider, R. J., von Reden, K. F., and Hayes, J. M., Continuous-Flow Accelerator Mass Spectrometry, in International Symposium on Radiation Physics, Mexico City, Mexico, 2003.
M. L. Roberts, Burton, J. R., Elder, K. L., Longworth, B. E., McIntyre, C. P., von Reden, K. F., Han, B. X., Rosenheim, B. E., Jenkins, W. J., Galutschek, E., and McNichol, A. P., A High-Performance (14)c Accelerator Mass Spectrometry System, Radiocarbon, vol. 52, no. 2, pp. 228-235, 2010.
M. L. Roberts, Beaupré, S. R., and Burton, J. R., A High-Throughput, Low-Cost Method for Analysis of Carbonate Samples for C-14, Radiocarbon, vol. 55, no. 2-3, pp. 585-592, 2013.
M. L. Roberts, von Reden, K. F., Burton, J. R., McIntyre, C. P., and Beaupre, S. R., A gas-accepting ion source for Accelerator Mass Spectrometry: Progress and applications, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, vol. 294, pp. 296-299, 2013.
H. H. Roberts, Dynamic changes of the Holocene Mississippi River delta plain: The delta cycle, Journal of Coastal Research, vol. 13, no. 3, pp. 605-627, 1997.
J. A. Robbins and Rick, T. C., THE ANALYSIS OF STABLE ISOTOPES FROM CALIFORNIA COASTAL ARCHAEOLOGICAL SITES: IMPLICATIONS FOR UNDERSTANDING HUMAN CULTURAL DEVELOPMENTS AND ENVIRONMENTAL CHANGE, Proceedings of the Society for California Archaeology, vol. 20, pp. 29-33, 2007.
L. W. Ritterbush and Logan, B., A Late Prehistoric Bison Processing Camp in the Central Plains: Montana Creek East (14JW46), Plains Anthropologist, vol. 54, no. 211, pp. 217-236, 2009.
L. W. Ritterbush and Logan, B., The Montana Creek Sites: Archaeological Investigations at Lovewell Reservoir, Jewell County, Kansas-2004, Nebraska-Kansas Area Office, Bureau of Reclamation. Dept. of Sociology, Anthropology and Social Work, Kansas State University, Manhattan, 2006.
K. L. Cole and Murray, L. K., Paleoenvironments of Capitol Reef National Park reconstructed from fossil packrate middens, in 4th biennial Conference on Research on the Colorado Plateau, USGS Colorado Plateau Field Station, Flagstaff, AZ, 1999.
D. Rind, Lean, J., and Healy, R., Simulated time-dependent climate response to solar radiative forcing since 1600, Journal of Geophysical Research-Atmospheres, vol. 104, no. D2, pp. 1973-1990, 1999.
S. R. Riggs, Rudolph, G. L., and Ames, D. V., Erosional scour and geologic evolution of Croatan Sound, northeastern North Caroline: N.C, Department of Transportation, 2000.
M. A. Riedinger, Steinitz-Kannan, M., Last, W. M., and Brenner, M., A 6100 14C year record of El Nino activity from the Galapagos Islands, Journal of Paleolimnology, vol. 27, pp. 1-7, 2002.
R. D. Ricketts, Rasmussen, K. A., Brown, E. T., and Johnson, T. J., Stable isotope and trace element composition of ostracodes from Lake Issyk Kul, Kyrgyzstan, in American Geophysical Union Fall Meeting, San Francisco, California, 1999.
R. D. Ricketts, Johnson, T. C., Brown, E. T., Rasmussen, K. A., and Romanovsky, V. V., The Holocene paleolimnology of Lake Issyk-Kul, Kyrgystan: trace element and stable isotope composition of ostracods, Paleogeography, Palaeoclimatology, Palaeocecology, vol. 176, no. 1-4, pp. 207-227, 2001.
T. C. Rick, Niaqla revisited: Archaeology and ethnohistory of a Chumash Village on Santa Rosa Island, California, in Society for California Archaeology 16, 2003, pp. 149-156.
T. C. Rick, Vellanoweth, R. L., Erlandson, J. M., and Kennett, D. J., On the antiquity of the single-piece shell fishhook: AMS radiocarbon evidence from the southern California coast, Journal of Archaeological Sciences, vol. 29, pp. 933-942, 2002.
T. C. Rick, Erlandson, J. M., Braje, T. J., Estes, J., Graham, M., and Vellanoweth, R., Historical ecology and human impacts on coastal ecosystems of the Santa Barbara Channel region, California, in Ancient Human Impacts on Marine Environments: A Global Perspective, T. C. Rick, Ed. Berkeley: University of California Press, 2007.

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