Geologic Map of the Torrington 30' x 60' Quadrangle, Goshen and Platte Counties, Wyoming, and Sioux and Scotts Bluff Counties, Nebraska (2005)

McLaughlin, J.F., and Harris, R.E., 2005, Geologic map of the Torrington 30' x 60' quadrangle, Goshen and Platte counties, Wyoming, and Sioux and Scotts Bluff counties, Nebraska: Wyoming State Geological Survey Map Series 66, scale 1:100,000.