Landslide Map of the Wyoming Half of the Ashton 1° x 2° Quadrangle (1991)

Case, J.C., Larsen, L.L., and Gilmer, D.R., 1991, Landslide map of the Ashton 1° x 2° quadrangle: Geological Survey of Wyoming [Wyoming State Geological Survey] Open File Report 91-2A, scale, 1:250,000.