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Creator:: Istok, J. D.
Abstract:: The mineralogy of soils involved in mass movement in Oregon's coast range was examined to determine relationships between clay mineralogy and landscape instability. The objectives were: 1) to determine what kind of materials constitute the less than 2μ fraction of soils involved in different categories of mass movement, and 2)...
Resource Type:: Masters Thesis
Full Text:: and Slump Involving Various Geologic Materials 37 Siltstone of the Tyee Formation 40 Mudstones and

Creator:: Andrews, Shannon B.
Abstract:: Algae have shown great potential as a source for renewable fuels. However, current production schemes have not been able to prove a sustainable energy return on investment due in part to the high costs of nutrient addition and the energy required for drying the biomass. Integrated algae-dairy production systems have...
Resource Type:: Masters Thesis
Full Text:: ....................................................................................................37 Plant Tissue Analysis

Creator:: Hickman, John S.
Resource Type:: Masters Thesis
Full Text:: ) CaSO4 0.36 (5.9) 0.35 0.11 (4.6) 1.3 (7.1) MgSO4 0.90 (5.8) 0.90 0.31 (4.4) 1.4 (6.9) 37 results in

Creator:: Hodgins-Carlson, Terry Anne
Abstract:: Published literature about six Pacific Northwest stream systems was contrasted to provide a regional perspective on channel response to disturbance. This investigation was prompted by a combination of recent environmental legislation, mounting social pressures to plan projects at a drainage basin scale, and the difficulty in defining and predicting the...
Resource Type:: Masters Thesis
Full Text:: 34 IMPLICATIONS OF THIS STUDY TO DISTURBANCE EFFECTS ANALYSIS 37 CONCLUSIONS 40 LITERATURE CITED

Creator:: Lenhard, Robert J. (Robert James)
Abstract:: Capillary pressure-saturation data obtained for unconsolidated porous media with different liquids are examined to investigate the effects of clay-liquid interactions on liquid retention. Liquid retention functions are assumed to reflect the effective pore-size distributions. The hydraulic variables, capillary pressure and saturation, are transformed to account for changes in liquid retention...
Resource Type:: Dissertation
Full Text:: Data 6 7 8 9 14 17 19 20 21 23 26 29 37 58 61 62 64 65 75 81 102 104 109 110 114

Creator:: Taskey, Ronald D. (Ronald David), 1944-
Abstract:: Soil erosion by mass wasting is the major problem on forest lands of the Pacific Northwest, The clay fractions of soils from a large number of sites in Oregon's Western Cascades were characterized in order to determine the relationships of various clay materials to mass movements. Each site was either...
Resource Type:: Dissertation
Full Text:: depth. Sample f (right): wet, flowing soil in failure, 75 cm depth. 37 13. DTA patterns for samples MS

Creator:: Glasmann, Joseph Reed
Abstract:: Clay mineral genesis was studied in soils representative of several different geomorphic surfaces in western Oregon, ranging in age from Pliocene-early Pleistocene to late Pleistocene. Soil solution studies, clay mineralogy, and soil raicromorphology were employed to provide evidence of clay mineral synthesis and interpret soil genesis. Soils at each study...
Resource Type:: Dissertation
Full Text:: 29 2 and 3. 3 Some physical and chemical properties of soils representing 37 different geomorphic

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