Upper Cretaceous Strata in the Powder River Basin: Formation Tops Database, Structure and Thickness Contour Maps, and Associated Well Data (2020)

Lichtner, D.T., Toner, R.N., Wrage, J.M., and Lynds, R.M., 2020, Upper Cretaceous strata in the Powder River Basin—Formation tops database, structure and thickness contour maps, and associated well data: Wyoming State Geological Survey Open File Report 2020-9, 50 p.