55 resultados para Road construction contracts.
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"Catalogue no. 21."
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"Supersedes TM5-9500, Principles of modern excavation and equipment, 11 August 1942."
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Mode of access: Internet.
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Mode of access: Internet.
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"No. 16."
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Research authority: National Academy of Sciences, Highway Research Board.
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Description based on: Adopted Jan. 2, 1971.
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Bibliographical foot-notes.
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Sequel: Report upon the locomotive engines, and the police and management of several of the principal rail roads in the northern and middle states.
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Mode of access: Internet.
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Other editions have been published by the American school of correspondence, Chicago.
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Mode of access: Internet.
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Federal Highway Administration, Washington, D.C.
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"WH67-641."
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"September 1968."