Includes bibliographical references (pages 77-86).
Introduction and background for field trip T125 / Michael E Taylor -- Geology of the Basin and Range Province, Western United States: an overview / Harry E Cook -- Day 0: early and middle Cambrian stratigraphy of Frenchman Mountain, Nevada / A R Palmer -- Day 1: early Cambrian stratigraphy and paleontology, Southern Great Basin, California-Nevada / A R Palmer, Stephen M Rowland -- Day 2: Late Cambrian and early Ordovician stratigraphy, biostratigraphy and depositional environments, Hot Creek Range, Nevada / Harry E Cook, Michael E Taylor, James F Miller -- Day 3: Late Cambrian and early Ordovician biostratigraphy and depositional environments of the Whipple Cave formation and House limestone, Central Egan Range, Nevada / Michael E Taylor, Harry E Cook, James F Miller -- Day 4: Late Cambrian and early Ordovician stratigraphy and biostratigraphy, Southern House Range ("Ibex Area"), Utah / James F Miller, Michael E Taylor -- Days 5 and 6: Cambrian stratigraphy and paleontology of the Central House Range and Drum Mountains, Utah / Margaret N Rees, Richard A Robison -- A practical field guide for evaluating early Paleozoic ichnofabric / Mary L Droser, David J Bottjer -- References Cited.