The Online Books Page

Books by R. L. Fredriksen:

Books in the extended shelves:

• Fredriksen, R. L.: Changes in streamflow following timber harvest in southwestern Oregon (Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979), also by R. Dennis Harr, Jack Rothacher, United States Forest Service, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Fredriksen, R. L.: Erosion and sedimentation following road construction and timber harvest on unstable soils in three small western Oregon watersheds (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1970) (page images at HathiTrust)
• Fredriksen, R. L.: Hydrologic and related characteristics of three small watersheds in the Oregon Cascades (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1967), also by Jack Rothacher, C. T. Dyrness, and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Fredriksen, R. L.: An improved method of chemical analysis for low levels of nitrogen in forest streams or in rainwater (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1986), also by Elly E. Holcombe, Duane G. Moore, and Or.) Pacific Northwest Research Station (Portland (page images at HathiTrust)

Find more by R. L. Fredriksen at your library, or elsewhere.