Effect of tree roots on a shear zone: modeling reinforced shear stress von Abe, K, Ziemer, R.R

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Forestry and Anadromous Fish von Robert R. Ziemer, Richard L. Hubbard

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Storm flow response to road building and partial cutting in small streams of northern California von Ziemer, R.R

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Logging and forest roads related to increased debris slides in southwestern Oregon von AMARANTHUS, M. P, RICE, R. M, BARR, N. R, ZIEMER, R. R

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An apparatus to measure the crosscut shearing strength of roots von Ziemer, Robert R

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Logging effects on streamflow: water yield and summer low flows at Caspar Creek in northwestern California von Keppeler, E.T. (Forest Service, U.S. Department of Agriculture, Arcata, CA), Ziemer, R.R

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News von Becker, A., Ziemer, Robert R.

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News von Becker, A., Ziemer, Robert R.

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INJECTION QUILL FOR WATER TREATMENT von ROBERT R. ZIEMER, ANTHONY M. ROSSI

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Carnivorous Plants in Micronesia von Ziemer, Robert R.

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Apparatus and method for introducing water treatment chemicals to a water stream von ROSSI, ANTHONY M, ZIEMER, ROBERT R

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KEYNOTE ADDRESS, THEME 4: Management of Steepland Erosion: An Overview von Ziemer, Robert R.

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Injection quill for water treatment von ZIEMER ROBERT R, ROSSI ANTHONY M

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Injection quill for water treatment von ROBERT R. ZIEMER, ANTHONY M. ROSSI

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INJECTION QUILL FOR WATER TREATMENT von ROSSI, ANTHONY M, ZIEMER, ROBERT R

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INJECTION QUILL FOR WATER TREATMENT von ZIEMER, ROBERT, R, ROSSI, ANTHONY, M

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Drosera regia von Ziemer, Robert R.

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Injection quill for water treatment von ROSSI, ANTHONY M, ZIEMER, ROBERT R

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Some Personal Observations on Cultivating the Heliamphora von Ziemer, Robert R.

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In Search of Drosera anglica von Ziemer, Robert R.

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