963 resultados para Erosion on rural roads


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Bibliography: p. [41-42]

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Mode of access: Internet.

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"Authority for the preparation of this report and state participation in the flood protection recommendations contained herein is provided by the Flood Control Act of 1945 [615 ILCS 15]."--Leaf 2.

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The itinerary and the observations are on opposite pages, with duplicate paging, 1-73.

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Eight pages at end contain: "A list of maps, charts, and geographical works, recently published, and for sale by H. S. Tanner ... Philadelphia."