Badlands National Park geologic map, where the green line is the NPS boundary, Tc is the Chadron Formation, Tb is the Brule Formation, Ts is the Sharps Formation, Qoa is older alluvium, Qe is eolian sand, Ql are landslide deposits, and Qa is alluvium
Raymond, W.H., and King, R.U.
1976-01-01
Geologic map of Badlands National Park and Vicinity, West-Central South Dakota: U.S. Geological Survey Miscellaneous Investigations Map I-934, scale 1:62,500