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31. [Image] Yarkon River - Drowning in Sewage
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33. [Image] Introduction a l'Etude du Schema Directeur
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34. [Image] Concept of a Sinistral Megashear
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35. [Image] Economic analysis
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36. [Image] Special Subjects and Investigations
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37. [Image] Miscellaneous -- appendices?
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39. [Image] Irrigation of Sandy Soils
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40. [Image] Yarmouk Basin