 Exteriors were also filmed at Death Valley National Monument, with the cast and crew living at Furnace Creek Inn and Camp, which was leased from the Pacific Coast Borax Company.The western commenced a construction crew of over 150 men and women to build a ghost town in the desert near Lone Pine, California, by demolishing a movie set, called "Last Outpost", that Tom Mix had built in 1923.At the time of filming, animal cruelty regulations permitted horses to be on the set for only three hours.