When you enter that cargo tank.
| Author/creator | United States |
| Format | Book |
| Publication Info | Washington : U.S. Dept. of Transportation, Coast Guard, 1976. |
| Description | 17 p. : ill. ; 9 x 6 cm. |
| Subjects |
| General note | Cover title. |
| General note | "CG-474." |
| GPO item number | 934 |
| Govt. docs number | TD 5.2:C 19 |