http://www.shavertron.com/nchronicles.html
http://www.abovetopsecret.com/forum
https://helenastales.weebly.com
https://www.angelfire.com/ut/branton/Cushman-Arkansas.html
http://www.undergroundozarks.com/forum
https://books.google.com/books
https://www.angelfire.com/ut/branton/cushman.html
http://charlesamarcoux.blogspot.com
******* ******* *******
The
'Project Redbook'
subterranean database