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Old 07-20-2012, 10:22 AM   #9
jrc
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I have personally seen those markers or similar markers for at least 10 years.

I remember stories about Timber Island sound tests for at least twenty years.

I'm sure some of those tests led to convictions.

BTW I have used those markers for docking practice. If you see a blue cruiser backing between them, stop and say hi.
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