The Mississippian is so named because rocks with this age are exposed in the Mississippi Valley. The Mississippian was a period of marine transgression in the Northern Hemisphere: the sea level was so high that only the Fennoscandian Shield and the Laurentian Shield were dry land.

What is another word for small river?

The difference between Branch and Creek. When used as nouns, branch means the woody part of a tree arising from the trunk and usually dividing, whereas creek means a small inlet or bay, often saltwater, narrower and extending farther into the land than a cove.

In addition, the Congo River is the world’s deepest recorded river at 720 feet (220 meters) deep in parts — too deep for light to penetrate, The New York Times reported. It’s also the second-longest river in Africa, spanning a length of approximately 2,920 miles (4,700 kilometers), according to Phys.org.

According to local lore, the Strid has a 100 per cent fatality rate when it comes to those who have fallen in while trying to jump between the moss-covered slippery banks. They had set off for a walk near the Wharfe at Bolton Abbey and were never seen alive again.

It is informally known as the most dangerous stretch of water in the world, with an alleged fatality rate of 100% for everyone lucky enough to have fallen in it. Despite there is no official death toll for the Strid, the local legend is that no one who has dared enter the waters has ever made it out alive.

8 of the most dangerous bodies of water on Earth

1. Rio Tinto River, Spain. Flickr/Jose Carlos.
2. Boiling Lake, Dominica. Flickr/Jean and Nathalie.
3. Lake Kivu, Africa. Flickr/YAOTieno.
4. Citarum River, West Java, Indonesia.
5. Lake Karachay, Russia.
6. Potomac River, USA.
7. The Blue Lagoon, Derbyshire, UK.
8. Jacob’s Well, Texas, USA.