Preliminary Surfical Geologic Map of the Bill 30’ x 60’ Quadrangle, Converse, Campbell and Weston Counties, Wyoming (2003)

Hallberg, L.L., and Case, J.C., 2003, Preliminary surficial geologic map of the Bill 30' x 60' quadrangle, Converse, Campbell, and Weston counties, Wyoming: Wyoming State Geological Survey Open File Report 03-7, scale 1:100,000.