Department of Geological Sciences, University of Minnesota Duluth, Duluth, MN 55812
Department of Geological Sciences, University of Minnesota Duluth, Duluth, MN 55812
Monterey Bay Aquarium Research Institute, 7700 Sandholdt Rd, Moss Landing, CA 95039
Department of Geology and Geophysics, University of Minnesota, Minneapolis, MN 55455
NSF-Arizona AMS Facility, 1118 E 4th St, Tucson, AZ 85721
Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95064 ; Earth Sciences Department, University of California, Santa Cruz, CA 95064
Earth Sciences Department, University of California, Santa Cruz, CA 95064
Institute of Geological and Nuclear Sci., PO Box 30368, Lower Hutt, 6009 New Zealand
Department of Geology and Geophysics, University of Minnesota, Minneapolis, MN 55455