arkanon/S&B digs:

who dammed and flooded the former towns

1. arkansas power and light-Harvey Crowley Couch, Sr.

https://en.wikipedia.org/wiki/Harvey_C._Couch

1. Army Corps of Engineers

find the hidden temples

red doors will show the way

https://www.reddoorrestaurant.net/

much more to dig

preliminary ideas only. dig moar

2.