Grand, Stephen P.2011-08-122017-05-112011-08-122017-05-112006-05http://hdl.handle.net/2152/13062textelectronicengCopyright is held by the author. Presentation of this material on the Libraries' web site by University Libraries, The University of Texas at Austin was made possible under a limited license grant from the author who has retained all copyrights in the works.Seismic wavesEarth--MantleSeismology--Rio GrandeSeismology--MexicoUpper mantle seismic structure beneath the central Rio Grande rift and beneath eastern Mexico and their implications