How can a current of 4 knot push boulders the size of a house, at enough speed to damage anything? Any groove on the bottom of the Sound or Straits would have to have happened over millenia. Put in a pipeline, accomodated for moving boulders and move on. You sound like a eco-terrorist like those stopping all pipelines and drilling.
I have lived in Washington State for 70 years and never heard of this pipeline project, that was stopped because of a current pushing rocks.
I have lived in Washington State for 70 years and never heard of this pipeline project, that was stopped because of a current pushing rocks.
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Well then, you missed out. Sorry. I was involved in stopping it.
The boulders have been visually observed rolling by shellfish divers.
You do not seem to understand the power of water - 4 kts is a very fast current.