976 resultados para State Governments
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"May 1985."
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Mode of access: Internet.
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National Highway Traffic Safety Administration, Washington, D.C.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Appendices (p. 1-14): A. Model state act for soil erosion and sediment control--B. Selected bibliography on sediment control.
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Description based on: 1976/77.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Based on information received from the states up to September 1, 1957.
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"Selected references" at edn of most of the chapters.
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Published also as U.S. Advisory Committee on Education. Staff study no. 3.