This previously undiscovered letter is believed to have been Jim Bowie's guide in his hunt for the San Saba mines.

From what I can tell, the mines Robert E. Howard was attempting to find are these same hidden mines. Hank Johnson is now on that same trail as well.

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

-PAC