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Watershed Sciences LLC. Aerial Surveys in the Umpqua River Basin: Thermal Infrared and Color Videography. Corvallis, Or.: Watershed Sciences, LLC, 2003.
Barton, Colleen A., and Jerry Wright. "Analysis of wellbore image data applied to environmental and geotechnical case studies." In Proceedings of the Symposium on the Application of Geophysics to Engineering and Environmental Problems : March 27-31, 1994, Boston, Massachusetts, p.461-480. Vol. 1. Englewood, CO: Environmental and Engineering Geophysical Society, 1994.
U.S. House of Representatives. Authorizing a preliminary examination of Umpqua River, Oreg. In 74th Congress, 1st Session, House Report ., 1935.
L
U.S. Bureau of Land Management. Roseburg District, and U.S. Forest Service. Umpqua National Forest. Little River Watershed TMDL. Appendix C : Water Quality Restoration Plan : Umpqua Basin Little River Watershed., 2001.
U.S. Bureau of Land Management. Roseburg District, and U.S. Forest Service. Umpqua National Forest. Little River Watershed TMDL. Appendix DEF: [TMDL Implementation Plan]., 2001.
Dose, Jeffrey J., and Brett B. Roper. "Long-term changes in low-flow channel widths within the South Umpqua watershed, Oregon." Water Resources Bulletin 30 (1994): 993-1000.
Geyer, Nancy A.. Lower North Umpqua Watershed Assessment and Action Plan. Umpqua Basin Watershed Council, 2003.
Geyer, Nancy A.. Lower South Umpqua Watershed Assessment and Action Plan. Umpqua Basin Watershed Council, 2003.
Snyder, Kai, Tim Sullivan, Deian Moore, Richard Raymond, E&S Environmental Chemistry Inc., and Umpqua Basin Watershed Council. Lower Umpqua River Watershed Assessment: Final Report., 2006.

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