VOLUME 37, 1991
$25.00
Britt, B. B., Theropods of Dry Mesa Quarry (Morrison Formation, Late Jurassic), Colorado, with emphasis on the osteology of Torvosaurus tanneri, p. 1–72, 2 tables, 28 figs.
Bushman, J. R., Projectile-impact structures (a new type of sedimentary structure), p. 73–75, 1 fig.
Larsen, D. C., Conodont faunas of the Lower Siphonodella crenulata Zone (Lower Mississippian) of central and northern Utah, p. 77–88, 4 tables, 7 figs.
McCutcheon, M. S., Hess, L., and Rigby, J. K., Depositional environments of a Wolfcampian section of the Pennsylvanian-Permian Oquirrh Formation, Spanish Fork Canyon, Wasatch Mountains, Utah, p. 89–98, 11 figs.
Morrow, J. R., and Webster, G. D., Carbonate microfacies and related conodont biofacies, Mississippian-Pennsylvanian boundary strata, Granite Mountain, west central Utah, p. 99–124, 4 pls., 18 figs.
Ritter, S. M., Conodont-based revision of Upper Devonian–Lower Pennsylvanian stratigraphy in the Lake Mead region of northwestern Arizona and southeastern Nevada, p. 125–38, 2 pls., 7 figs.
Sullivan, K. R., Kowallis, B. J., and Mehnert, H. H., Isotopic ages of igneous intrusions in southeastern Utah: Evidence for a mid-Cenozoic Reno–San Juan magmatic zone, p. 139–44, 2 tables, 1 fig.