American Mustang

When he catches wind that bookish George Parradine (John Eldredge) is actually a ruthless outlaw who's had one man killed and is now trying to steal a fortune from another, U.S. Marshal Rocky Lane (Allan Lane) poses as a bandit and infiltrates Parradine's gang. But Rocky's quest for justice is jeopardized when the dead man's son (George Nader) also goes undercover to get revenge on his father's killer. Fred C. Brannon directs this 1950 Western.

Jean Loring has her men illegally killing and selling game. Roy suspects her and gets himself invited to stay at her ranch. Investigating he finds the freezer where the slaughtered game are kept. But he is caught, tied up, and left to freeze.

Nugget Clark has been having his stagecoaches wrecked and Marshal Rocky Lane arrives to investigate. The foreman of a nearby mine is stealing part of the mecury output and selling it in Mexico. Nugget's house has a direct pipeline from the mine and they are trying to drive him into bankruptcy to obtain his ranch. Rocky is quickly aware that the Foremen is behind Nugget's holdups but they are also onto Rocky when he accidently drops his badge during a fight.

Chasing a gambler that stole money, Tom Larkin gets his horse shot out from under him. Meeting an outlaw with a horse, after a fight Tom rides away on that horse. Arriving in town he is mistaken for the outlaw and offered a job of killing a man. But the man is the father of the girl that Tom's money was to go to but was stolen by the gambler.

A ranch owner fires his ranch hands and brings in women to replace them. The owner's daughter wants the male hands back and comes up with a plan to do it.

A group of riders demonstrate equestrian vaulting, or voltige, on the outskirts of Prague.

A very heavy turret is transported on a truck drawn by a long line of horses. The inscription “Charlemagne 53790K” readable on the turret suggests that this view was shot in the vicinity of Saint-Chamond, a town where there are factories specializing in the construction of heavy steel. It is certainly a turret intended for the battleship “Charlemagne”. In addition, a view projected by the Aléthorama on January 20, 1898 in Saint-Étienne, and entitled “Transportation of the armored turret of Saint-Chamond by a team of 80 horses”, could represent the same event.

From Edison films catalog: A long line of horses, mules and ponies are led, driven and ridden into the yards, where they are sold and distributed.

From F.Z. Maguire catalogue: The background of this picture is the Lick Observatory, Mount Hamilton, Cal. This observatory, the gift of James Lick, of Pennsylvania, was constructed at a cost of $700,000, being equipped with one of the most powerful telescopes that has ever been produced, and is famous the world over. The view of the Observatory is very complete, showing the style of architecture, including the glass covered dome in which are placed the various astronomical instruments. Every Saturday night throughout the year is set apart for visitors to inspect the Observatory and look through the great glass. This view shows a coach load driving up and alighting.

When Border Patrol Lieutenant Roberts is killed, it appears that his brother Tim was the killer. To clear the Robert's name for his boss, Lieutenant Rocky Lane heads south of the border posing as an outlaw. He hopes to get in with the gang and find Tim who is using an assumed name. As always, Nugget is there to help.

A young orphan grows into adulthood, all the while searhing for his beloved white horse that disappeared years earlier.