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e sketch represents a river valley that lies between two 
(Mlla In the! foreground is the sea, with a bay that is parti v 
inclosed by a hooked sand bar. On each side of the valley is 
a terrace into which small streams have cut narrow gullies. 
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Uhe hill on the right has a rounded summit and gently slo 
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hng spurs separated by ravines, i lie spins ar 
their lower ends by a sea cliff* t he hill at the left terminates 
abruptly at the 1 valley in a steep scarp, from which it slo 
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are trunca 
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