Assertion: dredge's bucket | /r/HasProperty | raised through the water column
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Source sentences:
text: Resuspension and contaminant release by mechanical dredges may result from dynamic impact of the bucket with the bottom sediment (for wire supported buckets), sloughing of material into the cut, washing of sediment from the bucket exterior as the bucket is raised through the water column, and leakage from the bucket (either from the top of an open bucket or from the lips of the bucket if closure is not complete due to debris).