994 resultados para Google elevation services
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At head of title: Report to Congressional requesters.
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Mode of access: Internet.
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Includes bibliographical references.
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Mode of access: Internet.
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"Performed under Contract No. HEW-105-76-1140."
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Part I: June 1982 ; part II: November 1982.
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Federal Highway Administration, Office of Engineering and Highway Operations Research and Development, Washington, D.C.
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Performed under contract no. HEW-105-76-1140, National Center for Child Advocacy and prepared by members of InterAmerica Research Associates.
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"November 1990."
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"Spring 1982."
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Includes bibliographical references.
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Mode of access: Internet.
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"The attached report was prepared ... by Dr. Mark Lowenthal ..."--p. iv.
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Mode of access: Internet.