Luoghi in Caratteristiche Undersea che sono classificati ripiano valley

Albemarle Shelf Valley (ripiano valley), Albemarle Valley (ripiano valley), Block Island Channel (ripiano valley), Block Island Shelf Valley (ripiano valley), Hudson Channel (ripiano valley), Hudson Shelf Valley (ripiano valley), Hudson Submarine Channel (ripiano valley), Hudsonian Channel (ripiano valley), Porcupine Seabight (ripiano valley), Rhode Island Shelf Valley (ripiano valley)