Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News Editorials & Other Articles General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search

Maryland

elleng

(137,912 posts) Wed Nov 25, 2020, 12:30 AM Nov 2020

10

'Did you know that geologically, the Susquehanna River is considered the oldest major river system [View all]

in the world? It dates back to the Paleozoic Era (543 to 248 million years ago), and there is evidence that the flow of the ancient Susquehanna was established early enough that it predated the formation of the Appalachian mountains over 300 million years ago.
📷: John A. Pavoncello #SaveTheBay https://www.facebook.com/chesapeakebay/

Click here to purchase valentine hearts!

4 replies

= new reply since forum marked as read

Highlight:

'Did you know that geologically, the Susquehanna River is considered the oldest major river system [View all] elleng Nov 2020 OP

I did not know that. WheelWalker Nov 2020 #1

That's way cool. When I was young my grandparents had a farm in Nanny Glow. I still ... marble falls Nov 2020 #2

It is merely a contender arthurgoodwin Nov 2020 #3

The Susquehanna will need to get past the New River first. LastDemocratInSC Nov 2020 #4

Latest Discussions»Region Forums»Maryland»'Did you know that geolog...»Reply #0