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Filters: Keyword is Umpqua River and Author is U.S. Bureau of Land Management. Roseburg District Office,  [Clear All Filters]
1988
U.S. Bureau of Land Management. Roseburg District Office. Watershed Analysis: Elkton-Umpqua WAU (Watershed Analysis Unit) / Roseburg District BLM [microform]. Roseburg, Or.?: The District, 1988.