The Rawlins Uplift defines the eastern margin of the Great Divide Basin,
the western end of southeastern Wyoming, and the beginning of the desert basin
of the west. It is a small Laramide Uplift that has many of the characteristics
of larger Wyoming ranges. Precambrian basement rocks are exposed in the core of
the uplift, and its flanks are composed of outwardly-dipping Paleozoic and
Mesozoic strata. A thrust fault dips beneath the uplift along the west and south
sides. Rawlins lies at its south end.
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