1997 Fieldtrip guidebook, The Roberts Mountains Thrust, Elko and Eureka Counties, Nevada. A.J. Perry and E.W. Abbott, Editors. Four papers, two abstracts, roadlog and referenced papers/abstracts, on Devonian to Mississippian stratigraphy and structure in central Nevada from Elko to Nye counties. 86 pp. (xerox copy only) NPS 12 , $25.00