Variability in students' evaluating processes in peer assessment with calibrated peer review von Russell, J., Van Horne, S., Ward, A.S., Bettis, E.A., Gikonyo, J.

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A severe centennial-scale drought in mid- continental North America 4200 years ago and apparent global linkages von BOOTH, Robert K, JACKSON, Stephen T, FORMAN, Steven L, KUTZBACH, John E, BETTIS, E. A, KREIG, Joseph, WRIGHT, David K

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Last Glacial loess in the conterminous USA von Arthur Bettis, E, Muhs, Daniel R, Roberts, Helen M, Wintle, Ann G

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Stratigraphy and palaeoclimatic significance of Late Quaternary loess–palaeosol sequences of the Last Interglacial–Glacial cycle in central Alaska von Muhs, Daniel R., Ager, Thomas A., Arthur Bettis, E., McGeehin, John, Been, Josh M., Begét, James E., Pavich, Milan J., Stafford, Thomas W., Stevens, De Anne S.P.

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Geochemical Variations in Peoria Loess of Western Iowa Indicate Paleowinds of Midcontinental North America during Last Glaciation von Muhs, Daniel R., Bettis, E. Arthur

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Midwestern Holocene Paleoenvironments Revealed by Floodplain Deposits in Northeastern Iowa von Chumbley, C. A., Baker, R. G., Bettis, E. A.

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Unprecedented last-glacial mass accumulation rates determined by luminescence dating of loess from western Nebraska von Roberts, Helen M., Muhs, Daniel R., Wintle, Ann G., Duller, Geoff A. T., Bettis, E. Arthur

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Nomad rover field experiment, Atacama Desert, Chile : 1. Science results overview : The Marsokhod Silver Lake experiment von CABROL, N. A, CHONG-DIAZ, G, PEREIRA ARRERONDO, M, DOHM, J. M, KEATEN, R, WETTERGREEN, D, SIMS, M. H, SCHWHER, K, BUALAT, M. G, THOMAS, H. J, ZBINDEN, E, CHRISTIAN, D, STOKER, C. R, PEDERSEN, L, BETTIS, A. III, THOMAS, G, WITZKE, B, GULICK, V. C, LANDHEIM, R, LEE, P, ROUSH, T. L, ZENT, A. P, HERRERA LAMELI, C, JENSEN IGLESIA, A

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Holocene Paleoenvironments of Northeast Iowa von Baker, R. G., Bettis, E. A., Schwert, D. P., Horton, D. G., Chumbley, C. A., Gonzalez, L. A., Reagan, M. K.

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St. Charles Site insect dataset von Baker, Richard G., Schwert, Donald P., Horton, Diana G., Semken, Holmes A., Kemmis, Tim, Bettis III, E. A.

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Roberts Creek insect dataset von Baker, Richard G., Maher, Louis J., Van Zant, Kent L., Chumbley, Craig A., Schwert, Donald P., Horton, Diana G., Reagan, Mark K., Bettis III, E. A., Gonzalez, L. A.

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Late Quaternary Temporal and Event Classifications, Great Lakes Region, North America von Johnson, W. Hilton, Hansel, Ardith K., Bettis, E. Arthur, Karrow, Paul F., Larson, Grahame J., Lowell, Thomas V., Schneider, Allan F.

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Postglacial response of a stream in central Iowa to changes in climate and Drainage basin factors von Van Nest, Julieann, Bettis, E.Arthur

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The Hanging Valley Site (13HR28): A Stratified Woodland Burial Locale In Western Iowa von Tiffany, J.A., Schermer, S. J., Theler, J.L., Owsley, D.W., Anderson, D.C., Bettis, E.A. Iii, Thompson, D.M.

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An Archaeological and Geomorphological Survey in the Central Des Moines River Valley, Iowa von Bettis, E. Arthur, Benn, David W.

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Archaeology in the Mississippi River Floodplain at Sand Run Slough, Iowa von Bern, David W, Bettis, E A , III, Hoppin, Arthur, Kelly, Lucretia S, Lopinot, Neal H

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Last appearance of Homo erectus at Ngandong, Java, 117,000–108,000 years ago von Rizal, Yan, Westaway, Kira E., Zaim, Yahdi, van den Bergh, Gerrit D., Bettis, E. Arthur, Morwood, Michael J., Huffman, O. Frank, Grün, Rainer, Joannes-Boyau, Renaud, Bailey, Richard M., Sidarto, Westaway, Michael C., Kurniawan, Iwan, Moore, Mark W., Storey, Michael, Aziz, Fachroel, Suminto, Zhao, Jian-xin, Aswan, Sipola, Maija E., Larick, Roy, Zonneveld, John-Paul, Scott, Robert, Putt, Shelby, Ciochon, Russell L.

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Partitioning of naturally-occurring radionuclides (NORM) in Marcellus Shale produced fluids influenced by chemical matrix von Nelson, Andrew W, Johns, Adam J, Eitrheim, Eric S, Knight, Andrew W, Basile, Madeline, Bettis, 3rd, E Arthur, Schultz, Michael K, Forbes, Tori Z

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Radiocarbon dating late Quaternary loess deposits using small terrestrial gastropod shells von Pigati, Jeffrey S., McGeehin, John P., Muhs, Daniel R., Bettis, E. Arthur

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Geochemical and mineralogical evidence for Sahara and Sahel dust additions to Quaternary soils on Lanzarote, eastern Canary Islands, Spain von Muhs, Daniel R., Budahn, James, Skipp, Gary, Prospero, Joseph M., Patterson, DeAnna, Bettis III, E. Arthur

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