Dredging the Hudson River

Dredging The Hudson River
For PCBs
Tens of thousands of years ago, glaciers carved out the Hudson River. It is an estuary, " An estuary is a semi-enclosed coastal body of water with a free connection to the open sea and within which sea water is diluted by fresh water"(life.bio.sunysb.edu).
The Hudson River begins in Lake Tear of the Clouds on the southwest side of Mount Marcy, the highest peak in New York, and is 315 miles long. At its deepest point, World's End near West Point, it is 216 feet deep. At its widest point, Haverstraw, it is three and a half miles wide. …