Over shallows even the water of the tropical oceans is always green.
Notwithstanding serious obstacles offered by shallows, corn, fish, salt and timber are largely shipped to and from Archangel.
Owing to the prevalence of shallows and sandbanks, navigation is difficult.
Deidre awoke and looked at her then at her ankles. Katie was caught by the other woman's eyes. They were large and turquoise, like the shallows surrounding the Caribbean Sanctuary.
The chain of the Frisian Islands marks the outer fringe of the former continental coast-line, and is separated from the mainland by shallows, known as Wadden or Watten, answering to the maria vadosa of the Romans.