The Vegas own an oil-rich ranch, and Calhoun is after the mineral rights. He gets Carlos Vega to run up huge gambling debts, and when Carlos' sister, who is half owner, arrives, Calhoun tries to have her killed.

Apache Rose (1947)

In this western, the Texas Rangers take on a shyster who is trying to bilk a family of their money after he learns that an oil company thinks their land may contain the black gold. The Rangers tell the family about the oil before the lawyer and his gang can take it from them.

Guns of the Law (1944)

In 1906, on Oklahoma's Indian lands, a cowboy fights for oil lease rights against a greedy oilman while a pretty schoolteacher steals both men's hearts.

Oil, Water, Gold,