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Kupsch, Walter Oscar
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Block diagram showing stages of erosion of a mountain in the Basin and Range provinces

Block diagram showing stages of erosion of a mountain in the Basin and Range province. An initial fault-block form is assumed in stage A, but successing stages might have developped from any initial tectonic form. (A) Fan-free and Fan-based, (B) Fan-dented, (C) Fan-bayed, (D) Fan-frayed, (E) Fan-wrapped, (F) Pan-fan. King 1959, p. 155.

Geologic map section of Crazy Moutains

Geologic map section of Crazy Moutains, southwestern Montana showing Livingstone formation of latest Cretaceous and Palaeocene age, and the stocks and dikes which intrude ot. Dotted lines above the setion indicate the volcanic field that probably lay on the site of the Crazy Mountains in Tertiary time. King 1959, p. 103.

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