Eocene-Early Miocene paleotopography of the Sierra Nevada-Great Basin-Nevadaplano based on widespread ash-flow tuffs and paleovalleys Henry, C. D. ; Hinz, N. H. ; Faulds, J. E. ; Colgan, J. P. ; John, D. A. ; Brooks, E. R. ; Cassel, E. J. ; Garside, L. J. ; Davis, D. A. ; Castor, S. B. Abstract Publication: Geosphere Pub Date: February 2012 DOI: 10.1130/GES00727.1 Bibcode: 2012Geosp...8....1H