PROJECT PROFILE During a remedial investigation of a Superfund Site that was a former mu- nicipal disposal area, two large scarps were observed behind the crest of steep debris slopes on the flanks of the dis- posal area. Because the disposal area was on a hillside above a river, the steep slopes and scarps caused concern relative to the possibility of continued slope movements and eventual con- tamination of the river. D’Appolonia was

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