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King of the Sierras
Directed by	Samuel Diege Arthur Rosson
Written by	Scott Darling (screenplay) Paul Franklin (additional dialogue) Frank Gay (story) Arthur Hoerl (additional dialogue)
Produced by	George A. Hirliman (producer) M.H. Hoffman Jr. (associate producer) M.H. Hoffman (producer)
Starring	Hobart Bosworth
Cinematography	Tom Galligan Jack Greenhalgh
Edited by	Dan Milner Carl Pierson
Music by	Hugo Riesenfeld
Distributed by	Grand National Pictures
Release date	December 1938 (1938-12)
Running time	53 minutes
Country	United States
Language	English

King of the Sierras is a 1938 American western directed by Samuel Diege and Arthur Rosson and distributed by Grand National Pictures.

The film is also known as Black Stallion (alternative American title) and Killers of the Prairie in the United Kingdom.

This article needs a plot summary. Please add one in your own words. (July 2021) (Learn how and when to remove this message)

• Hobart Bosworth as Uncle Hank
• Rex as El Diablo
• Harry Harvey Jr. as Tom
• Frank Campeau as Jim
• Harry Harvey as Pete
• Jack Lindell as The Trainer

• "Cactus Valley" (Words and Music by Lew Porter)
• "I Want to Be a Buckaroo" (Words and Music by Lew Porter)
• "King of the Sierras" (Written by Jimmy Franklin and Bobby Burns)

• King of the Sierras at IMDb
• King of the Sierras is available for free viewing and download at the Internet Archive

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