Protection of pipelines through highway roadbeds - Koenig, R. A. (Raymond A.); Taylor, J. P. (John P.).; American Association of State Highway and Transportation Officials; United States. Federal Highway Administration (Washington, D.C. Transportation Research Board, National Research Council, 1988)
"July 1988."
Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."
Bibliography: p. 20-21.
Keywords: Roads -- Design and construction; Pipeline crossings -- Protection