1. Geologic map of late Cenozoic deposits and faults in the western part of the Rhyolite Ridge 15ʹ quadrangle, Esmeralda County, Nevada Yale Public content 1991. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Nevada and Esmeralda County. Cenozoic.