| 21. | It may be formed either by wind erosion or by dunal encroachment on an existing wetland.
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| 22. | However, over the centuries the structures suffered damage from rain and wind erosion and inadequate maintenance.
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| 23. | Farmland is typically very susceptible to wind erosion.
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| 24. | In these ways wind erosion can be controlled.
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| 25. | Water and wind erosion have created several unusual formations that are only found in similar climates.
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| 26. | It is generally considered that these are, in fact, completely natural, being produced by wind erosion.
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| 27. | Schoch states that wind erosion forms distinctive horizontal bands, whereas the water erosion features are clearly vertical.
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| 28. | In arid areas, wind erosion ( eolian erosion ) can be an important factor in rockhouse formation.
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| 29. | By 1919, Montana suffered from wind erosion and drought, and the opportunities for repairing farm equipment dwindled.
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| 30. | Wind erosion had exposed a small number of artifacts on the bulldozed surface of the parking lot.
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