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Young (18-25) and older (35-50) male drivers were compared in their perception of driving risk and confidence in driving ability. Both groups provided responses a questionnaire on accident risk and driving ability and further generated subjective ratings of risk to a series of videotaped sequences depicting various elements of driving behavior. Although(More)
Clayey soil found in coal mines in Appalachian Ohio is often sold to landfills for constructing Recompacted Soil Liners (RSL) in landfills. Since clayey soils possess low hydraulic conductivity, the suitability of mined clay for RSL in Ohio is first assessed by determining its clay content. When soil samples are tested in a laboratory, the same engineering(More)
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