[shotta]

I’m pretty sure the Mississippi River use to seasonally dry up in spots prior to the building of the lock and dam system.

[vmh1928]

In 2012 it was so low barge traffic came to a halt.

https://nation.time.com/2012/08/23/the-big-dry-up-where-the-... and https://stateclimatologist.web.illinois.edu/2012/11/27/why-t...

[positr0n]

Wow really? That is hard to believe given half the US drains through it. I can't find anything on Google on the subject though maybe I am using the wrong search terms.

[tjr225]

Or maybe you have no idea what you are talking about and are spreading misinformation?