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Ditch-relief Culverts and Low-volume Forest Roads in the Oregon Coast Range

  1. Piehl, B.T. Ditch-relief Culverts and Low-volume Forest Roads in the Oregon Coast Range / B.T. Piehl, R.L. Beschta, M.R. Pyles. -- 1.vyd.

    In Northwest Science. -- Vol.62., No.3. (1988), s. 91-98. obr.. graf.

    I. Beschta, R.L.
    II. Osvald, Anton, 1952-
    III. Northwest Science. -- Vol.62., No.3. (1988), s. 91-98. obr.. graf.
    ZV001

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