TY - RPRT TI - Geochemical discrimination of five pleistocene lava-dam outburst-flood deposits, western Grand Canyon, Arizona AU - C.R. Fenton AU - R.J. Poreda AU - B.P. Nash AU - R. H. Webb AU - T.E. Cerling PY - 2004 DO - 10.1086/379694 UR - https://pubs.usgs.gov/publication/70027701 ID - 70027701 ER -