Ahhh the good ol hudson, 315 miles of dark, murky, cold, sewege infested, fast moving water. Hundreds of bodies, have been recovered out of that river. Could possibly contain the most trash of any other river in the US, years of barges and litter / cars / trucks, etc. Further, how do we know the bars weren't already secretly recovered? The Hudson And it's tributaries have an amazing history, although more recently known for this: