Preliminary Geologic Map of the Lusk 30' x 60' Quadrangle, Niobrara, Goshen, Converse, and Platte Counties, Wyoming, and Western Nebraska (2008)

McLaughlin, J.F., Stafford, J.E., and Harris, R.E., 2008, Preliminary geologic map of the Lusk 30' x 60' quadrangle, Niobrara, Goshen, Converse, and Platte counties, Wyoming, and western Nebraska: Wyoming State Geological Survey Open File Report 08-5, scale 1:100,000.