Geologic Map of the Torrington 30’ x 60’ Quadrangle, Goshen and Platte Counties, Wyoming, and Scotts Bluff and Sioux Counties, Nebraska (2004)

McLaughlin, J.F., and Harris, R.E., 2004, Geologic map of the Torrington 30’ x 60’ quadrangle, Goshen and Platte counties, Wyoming, and Scotts Bluff and Sioux counties, Nebraska: Wyoming State Geological Survey Open File Report 04-11, scale 1:100,000.