That was fast!
According to Doug Kilgore, KD5OUG, the 20 meter beacon was found:
"I received a call from Benton, LA. The RWK 20 Meter beacon payload has been located. It landed in a horse paddock south of Benton - Benton Rd and Rubicon Rd.. The screamer on the outside was still screaming and spooking the horses..."
Doug and XYL are enroute and going to take the people that found the payload to dinner. Stay tuned for more about the RWK payload recovery!