En la tierra del oro negro
| MPAA Rating: | NR |
| Genre: | Documentary |
| Country: | Mexico |
| Produced By: | JosÉ S. Ortiz |
| Directed By: | José S. Ortiz |
| In Theaters: | May 23, 1921 |
| Runtime: | 1 hour 6 minutes |
Followers: 0
| MPAA Rating: | NR |
| Genre: | Documentary |
| Country: | Mexico |
| Produced By: | JosÉ S. Ortiz |
| Directed By: | José S. Ortiz |
| In Theaters: | May 23, 1921 |
| Runtime: | 1 hour 6 minutes |