The Guns of Shadow Valley (2014)

Somewhere in Shadow Valley lies a secret that could forever change the frontier. Only a posse of gunmen with special abilities can defend that secret from a tribe of ghostly warriors, an advancing army led by a deranged Colonel, and the perils of the valley itself.
Nominated for the Eisner Award for 'Best Digital Comic' in 2010, and for the Harvey Award for 'Best Online Comics Work' in 2011, Dark Horse collects the supernatural webcomic into a 200+ page graphic novel!