In this picture, the Mesquiteers' 3-M Ranch is located in the vicinity of Los Vientos in an unnamed state. In the very next picture of the series, Three Texas Steers (1939), the 3-M Ranch is located in Mesquite County, TX.
Tom Tyler, who plays Jackson in this film, took over the part of Stoney Brooke when John Wayne left the series.
Tom Tyler and Ray Corrigan would later work together in the Serial 'The Phantom', Tom Tyler as the Phantom, and Ray Corrigan as the ape he fought in the arena.