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  1. 1993 Calf Creek migrant trapping results and juvenile steelhead (Oncorhynchus mykiss) emigration estimate

    Trapping migrating steelhead trout smolts was done in the spring and early summer of 1993 as part of the 1990 Umpqua National Forest Land and Resource Management Plan. Calf Creek was monitored to "validate...

  2. 1991 and 1992 Calf Creek migrant trapping results and juvenile steelhead (Oncorhynchus mykiss) emigration estimate

    Trapping migrating steelhead trout smolts was done in the spring and early summers of 1991 and 1992 as part of the 1990 Umpqua National Forest Land and Resource Management Plan. Calf Creek was monitored to...

  3. Dam the river : the proposed Days Creek Dam and the human ecology of the South Umpqua River Basin, Oregon.

    Original support for the research was provided by the U.S. Army Corps of Engineers under Contract DACW57-76-C-0011 for July 1, 1975 to March 29, 1976.

  4. Natural resources of Umpqua Estuary

    Scaleable map: http://digitalcollections.library.oregonstate.edu/u?/miscmaps,0

  5. Umpqua river basin

    The purpose of this 1958 report is to implement the water resources policy of the State of Oregon, as prescribed in ORS 536.300.

  6. Some water problems and hydrologic characteristics of the Umpqua Basin

  7. Inorganic chemistry of water and bed sediment in selected tributaries of the South Umpqua River, Oregon, 1998

    This report presents results of an investigation of water and streambed-sediment quality in selected tributaries of the South Umpqua River. Concentrations of inorganic constituents in water (major and minor...

  8. Ecology and decline of a rare western minnow : the Oregon chub (Oregonichthys crameri)

    Once historically widespread throughout the Willamette and Umpqua

  9. The Umpqua River study : a joint report

    The species of anadromous fish entering the Umpqua River are: chinook salmon (spring, summer, and fall runs), silver salmon, steelhead trout (summer and winter runs), cutthroat trout, shad, striped bass and...

  10. The Umpqua Eden site : the people, their smoking pipes and tobacco cultivation

    Located on the central Oregon coast, the Umpqua Eden site (35D083)

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