The Geological Society of America
2013 GSA Annual Meeting in Denver: 125th Anniversary of GSA (27-30 October 2013)
Denver, Colorado, USA

REHEIS, Marith C., United States Geological Survey, Denver Federal Center, MS-980, Denver, CO 80225, mreheis@usgs.gov

BIERMAN, Paul, Department of Geology and Rubenstein School of Environment and Natural Resources, University of Vermont, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, pbierman@zoo.uvm.edu

DETHIER, David P., Dept. Geosciences, Williams College, 947 Main Street, Williamstown, MA 01267 and BIRKELAND, Pete, University of Colorado, David.P.Dethier@williams.edu

WOHL, Ellen, Geosciences, Colorado State University, na, Fort Collins, CO 80523-1482, ellen.wohl@colostate.edu

CLARK, Peter U., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331-5506, clarkp@onid.orst.edu

ANDERSON, Robert S., Department of Geological Sciences and INSTAAR, University of Colorado, Boulder, CO 80309, ANDERSON, Leif, Department of Geological Sciences, INSTAAR, University of Colorado, Boulder, CO 80309, DUHNFORTH, Miriam, Department of Earth and Environmental Sciences, Ludwig-Maximilian University (LMU) Munich, Munich, 80333, Germany and COLGAN, William, Geological Survey of Denmark and Greenland, Øster Voldgade 10, Copenhagen, DK-1350, Denmark, Robert.S.Anderson@colorado.edu

MUHS, Daniel R., U.S. Geological Survey, Denver, CO 80225, dmuhs@usgs.gov