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3. Solids contamination resulting from draining works in an upland catchment and its removal by flotation;Austin;Journal of the Institution of Water Engineers and Scientists,1982
4. River erosion in an upland catchment;Blacknell;Area,1981
5. The effect of forestry drainage operations on upland sediment yields: the results of a storm-based study;Burt;Earth Surface Processes and landforms,1983