Rivers at Work
| MPAA Rating: | NR |
| Genre: | Documentary, Short |
| Country: | United Kingdom |
| Produced By: | Humphrey Swingler |
| Directed By: | Lew Davidson |
| Written By: | John Grierson |
| Cast: | John Grierson |
| In Theaters: | Dec 14, 2009 |
| Runtime: | 21 minutes |
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| MPAA Rating: | NR |
| Genre: | Documentary, Short |
| Country: | United Kingdom |
| Produced By: | Humphrey Swingler |
| Directed By: | Lew Davidson |
| Written By: | John Grierson |
| Cast: | John Grierson |
| In Theaters: | Dec 14, 2009 |
| Runtime: | 21 minutes |