Thunder Valley — John Russell Fearn

When the Drew City authorities discover parcels of illicit gold are being despatched to the city from Thunder Bend, Arizona, they send Marshal Brad Morrison, disguised as a miner, to find the culprits. When Brad visits Thunder Bend's saloon, he sets eyes on the pretty singer, Betty Tarrant, and falls in love with her. With Betty's help, Brad discovers the source of the gold and who is involved in its illegal shipment.