Demonstration of visibility measuring device to detect highway fog conditions

This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program.  It is for informational purposes and may not be suitable for legal purposes., Title from PDF caption (viewed on Apr. 14, 2011), "August 1972.", Includes bibliographical references, Sponsored by U.S. Department of Transportation, Federal Highway Administration FH-11-7152, Mode of access: Internet from the Oregon Government Publications Collection., Interim report; Sept. 1968-Aug. 1972
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This archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.