Hallberg, L.L.Case, J.C.2024-03-142024-03-1410.15786/13690363https://wyoscholar.uwyo.edu/handle/internal/8698https://doi.org/10.15786/13690363Preliminary digital surficial geologic map of the Powell 30' x 60' quadrangle, Bighorn [sic] and Park counties, Wyoming, and southern Montanahttps://creativecommons.org/licenses/by/4.0/Preliminary digital surficial geologic map of the Powell 30' x 60' quadrangle, Bighorn [sic] and Park counties, Wyoming, and southern Montanafigure