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abundant Agrestipus and Gregaripus Agrestipus hottoni Ammosaurus Anchisauripus Anchisauripus parallelus animal Anomoepus Apatichnus minor average pace angle bearing angle End bedding plane bedding surface bipedal carnivores carnosaurs coelurosaur comparing the relative Compass bearing Compass Pace meters cont Cretaceous Crushed Stone Quarry Culpeper basin Culpeper Crushed Stone Diagram showing dinosaurs direction of travel divergence Early Jurassic endothermic estimated hip height Eubrontes sp feathered foot footprints Froude number genus Grallator Graph comparing Gregaripus bairdi herbivores Heterodontosaurus impressed large carnivores Late Triassic low pace angle Lufengosaurus Lull m/sec marked by small mi/hr Newark Nicholas Hotton III Norian ornithischian Otozoum Pace angle Pace Compass meters Pace Compass Pace pace length Plate Plateosaurus Postosuchus prints probably prosauropod Referred specimens relative stride length running sauropod Siltstone species striding rate substrate suggests theropod Thulborn toes pointing track cast speed track missing speed tracks speed tracks X track Trackway trend trotting USNM velocity Virginia
Page 40 - Lee, KY, 1977, Triassic stratigraphy in the northern part of the Culpeper basin, Virginia and Maryland: US Geol. Survey Bull. 1422-C, p.
Page 40 - Lindholm, RC, 1979, Geologic history and stratigraphy of the Triassic-Jurassic Culpeper basin, Virginia: Geol. Soc. America Bull., v. 90,
Page 40 - 1926, Some additional faunal remains from the Trias of York County, Pennsylvania: Acad. Nat. Sci.
Page 38 - without whose help and cooperation this study would not have been possible.
Page 39 - Early Jurassic age for part of the Newark Group-. Science, v. 182, p.
Page 40 - Young, RS, and RS Edmundson, 1954, Oolitic limestone in the Triassic of Virginia: Journal
Page 40 - 1980, An unusual, newly discovered archosaur from the Upper Triassic of Virginia,