Isopachous Map of the Tertiary Overburden Above the Latest Cretaceous Lance Formation, Bighorn Basin, Wyoming (1986)

Parker, S.E., and Jones, R.W., 1986, Isopachous map of the Tertiary overburden above the latest Cretaceous Lance Formation, Bighorn Basin, Wyoming: Geological Survey of Wyoming [Wyoming State Geological Survey] Open File Report 86-8.