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I was just curious if anyone new what was laying on the bottom of the river on the northeast tip of grassy island by the Green buoy? I can see something that darts up roughly 5ft on my graph and I was just curious what it is?
 

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Rifleman99 said:
I was just curious if anyone new what was laying on the bottom of the river on the northeast tip of grassy island by the Green buoy? I can see something that darts up roughly 5ft on my graph and I was just curious what it is?
Probably spoils (rock) from the constuction of the dike or dreging of the freighter channel.
 
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