Preliminary Surficial Geologic Map of the Worland 30' x 60' Quadrangle, Johnson, Washakie, and Big Horn Counties, Wyoming

Hallberg, L.L., and Case, J.C., 2000, Preliminary digital surficial geologic map of the Worland 30' x 60' quadrangle, Johnson, Washakie, and Big Horn counties, Wyoming: Wyoming State Geological Survey Hazards Section Digital Map 00-6, scale 1:100,000.