1. Opal as a uranium-lead geochronometer;Amelin;Proc. Ann. V. M. Goldschmidt Conf.,1999
2. Age and origin of Sonoran Desert vegetation;Axelrod,1979
3. Late Pleistocene granodiorite beneath Crater Lake caldera, Oregon, dated by ion microprobe;Bacon;Geology,2000
4. Development and calibration of the three-dimensional site-scale unsaturated-zone model of Yucca Mountain;Bodvarsson,1996
5. A diatom-based paleohydrologic record of climate change for the past 800 k.y. from Owens Lake, California;Bradbury,1997