Diagenesis in first-cycle desert alluvium of Cenozoic age, southwestern United States and northwestern Mexico Walker, Theodore R. ; Waugh, Brian ; Grone, Anthony J. Abstract Publication: Geological Society of America Bulletin Pub Date: 1978 DOI: 10.1130/0016-7606(1978)89<19:DIFDAO>2.0.CO;2 Bibcode: 1978GSAB...89...19W