Trailsman #251, The :

Skye Fargo is caught between a gold rock and a hard case. Stranded in Utah by a sandstorm, Skye Fargo chances upon a remote cabin—the home of a lonely widow caught between two battling factions. Seems some hombre named Charlie Vrittan promised a passel of settlers shares in a gold mine if they’d build a town in his name. Once the labor was complete, he and his men kept the riches and paid the workers in hot lead.   Now a war is brewing in the desert. Sheltered underground in abandoned mines