Originally Posted by L124C
I'm hoping this is supposed to be funny, so I'll say: About 1/16 of what it would cost to remove the Angel Island hazard!
In case I'm wrong and you are serious
: As you will see if you consult a chart, shipping lanes go around these highly visible "hazards" as opposed to the two in the OP which sit IN a shipping lane, and happen to be submerged.
Wait a minute.....Were you the Pilot on the Cosco Busan?
We fished for many years in the Seymour Narrows area near Campbell River, BC . It makes SF Bay look like a mill pond, current wise. Here is an interesting story about the destruction of ripple rock and related costs, so it can be done.
Ripple Rock Explosion, Vancouver Island