Logging roads and protection of water quality / prepared by EPA Region X, Water Division [and] Arnold, Arnold and Associates, and Dames and Moore.
Seattle, WA : U. S. Environmental Protection Agency, Region X, Water Division ; 
> Environmental aspects
> Northwest, Pacific.
Forest roads > Northwest, Pacific > Design and construction.
Water quality management > Northwest, Pacific.
312 p. :
|Original Classification Number:||TD 365 .E65 no.75/007|
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