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A coastal plain in the first cycle of erosion. The presence of two hard layers produces a terraced cuesta front. In exceptional cases the upper terrace may weather back with sufficient rapidity to constitute a second cuesta with a lowland of some width between it and the lower cuesta, if the weak stratum between the harder is of sufficient thickness.

First Cycle of Erosion

A coastal plain in the first cycle of erosion. The presence of two hard layers produces a terraced cuesta…