--> Figure 26b. However, a straight line from the easternmost basement outcrops of the Big Horn Mountains on the north to those of the Laramie Range on the south is “dead” parallel to the strike of the down-dipping rocks of the Powder River Basin.

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Figure 26b. However, a straight line from the easternmost basement outcrops of the Big Horn Mountains on the north to those of the Laramie Range on the south is “dead” parallel to the strike of the down-dipping rocks of the Powder River Basin. Yet, there is no mountain range here and evidently no mapped thrust fault. Where are they?