Tertiary extension north of the Las Vegas Valley shear zone, Sheep and Desert Ranges, Clark County, Nevada Guth, Peter L. Abstract Publication: Geological Society of America Bulletin Pub Date: May 1981 DOI: 10.1130/0016-7606(1981)92<763:TENOTL>2.0.CO;2 Bibcode: 1981GSAB...92..763G