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