Carrie Cambpell uploaded the second video Hank Johnson created during his journey deeper into the Chihuahuan Desert.

He discusses an 'antechamber,' which I'm fairly certain is either part of or all of the mine that keeps coming up in the discovered letters.

Felicia Hajra-Lee's novel The Niantic Project: Ingress is available on Google Play and in the Amazon e-book store. gdlksulfsytnimirvkcsbhem
-PAC