883 resultados para conservation and use
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"September 1989."
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Mode of access: Internet.
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Running title: Lignite investigations, 1918 to 1925.
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Mode of access: Internet.
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Mode of access: Internet.
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Transportation Department, Office of Environmental Affairs, Washington, D.C.
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Transportation Department, Office of Environmental Affairs, Washington, D.C.
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Transportation Department, Office of Environmental Affairs, Washington, D.C.
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Transportation Department, Office of Environmental Affairs, Washington, D.C.
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Transportation Department, Office of Environmental Affairs, Washington, D.C.
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Federal Highway Administration, Washington, D.C.
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Federal Highway Administration, Washington, D.C.
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Federal Highway Administration, Washington, D.C.
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Spine title: Gilbert's tenures.
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Based on a presentation to the Second Studio Seminar for Federal Graphic Designers, Nov. 9, 1976, held at the Illinois Institute of Technology.