N.J.'s ocean canyons: Will these treasures be preserved like national parks?
About 75 to 100 miles off the coast of New Jersey - where the continental shelf divides shallow coastal waters and the deep sea - a tale of two canyons is in play.

About 75 to 100 miles off the coast of New Jersey - where the continental shelf divides shallow coastal waters and the deep sea - a tale of two canyons is in play.