Interstate 99 Environmental Research
Project Updates


Task D

Site VAH1
May 16, 2006

The primary mitigation work done at this site was bank regrading and riparian planting. Two rock structures were built to direct flow away from the stream banks.

June 2005 June 2005

A rock cross vane directs flow away from
the banks and into the center of the stream.

A constructed pool located downstream of a J-hook
vane will be used to provide in-stream habitat.

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