Hoppy, Lucky and California search for a mine owned by Trudy Pendleton after it was taken from her by thw swindling gambler Ace Gibson. They find the mine and Hoppy fights Gibson over it.

Directed by: Lesley Selander
Written by: Ethel La Blanche & J. Benton Cheney
Runtime: 69 minutes
Tagline: A BOLD BUCKAROO BATTLES BUCCANEERS !
Related titles:
Cast:
William Boyd William Boyd
Hopalong Cassidy 
Russell Hayden Russell Hayden
Lucky Jenkins 
Andy Clyde Andy Clyde
California Carlson 
Eleanor Stewart Eleanor Stewart
Trudy Pendleton 
Morris Ankrum Morris Ankrum
Ace Gibson 
William Haade William Haade
Bill Watson