- Country: USA
- Genres: Drama, Romance
- Release: 1935-07-01
- Director: David Howard
- Writers: Charles Furthman , Daniel Jarrett , Raymond L. Schrock
- Language: English
- Stars: George O’Brien (1899–1985) , Irene Hervey , Fred Kohler , Dean Benton , Frank Rice , Victor Potel , Olin Francis , William Gould , George Humbert , David Clyde
- Runtime: 60 min
- Awards: N/A
- AKA: Hard Rock Harrigan (United States of America) , Pobuna minera na brani , Die Ekrasit-Kolonne (Austria) , Ekrazitna kolona (Slovenia) , Ekrasit kolona , Hard Rock Harrigan , Derradeira Luta (Portugal, Portuguese Republic) , Stollen 3 - Verschüttet (Austria) , Sta vathi tis gis (Greece) , Pokol tornáca (Hungary) , Coragem e Lealdade (Brazil) , Ekrazitna kolona , La galleria della morte (Italy) , Valor y lealtad (Spain)
- Plot: Tim 'Hard Rock" Harrigan, a construction-crew driller working on the site of the Boulder Dam, is in a constant feud with his crew-boss "Black Jack" Riley, because of Harrigan's dislike of Riley's hard-as-nails management of the men, and also because he and Riley are both courting the lady who bakes the pies at the camp commissary, "Andy" Anderson.
- IMDB:tt0026454
Hard Rock Harrigan Cast · · · ALL
David Howard
Director
George O’Brien
(1899–1985)
Tim 'Hard Rock' Harrigan
Irene Hervey
'Andy' Anderson
Fred Kohler
Black Jack Riley
Dean Benton
Michael McGinnis
Frank Rice
McClintock, Superindendant