Bar 20 Justice, Hopalong Cassidy 1938

Outlaw miners have been stealing ore from Ann Dennis' mine. Hoppy spends much of his time running around in the mine shafts tracking down the crooks.
Director: Lesley Selander
Writers: Arnold Belgard (dialogue), Arnold Belgard (screenplay)
Stars: William Boyd, George 'Gabby' Hayes, Russell Hayden