Preliminary Surficial Geologic Map of the Torrington 30' x 60' Quadrangle, Goshen and Platte Counties, Wyoming

Hallberg, L.L., and Case, J.C., 1999, Preliminary digital surficial geologic map of the Torrington 30' x 60' quadrangle, Goshen and Platte counties, Wyoming: Wyoming State Geological Survey Hazards Section Digital Map 99-6, scale 1:100,000.