| Answer | Crossword Clue |
|---|---|
| GARY | Midwest steel center. |
| TULSA | Midwest oil center |
| AMES | Midwest center of agricultural research |
| RUHR | Steel center. |
| GARY | Hoosier steel center. |
| YAWATA | Jap steel center. |
| LIEGE | Belgian steel center |
| ESSEN | Ruhr steel center |
| RUHR | German steel center |
| ESSEN | German steel center |
| RUHR | European steel center. |
| GARY | Indiana steel center |
| LIEGE | Belgian steel center. |
| SHEFFIELD | English steel center |
| GARY | Steel center near Chicago. |
| ESCH | Steel center in Luxembourg. |
| ESSEN | West German steel center |
| RASTATT | Steel center in Baden, Germany. |
| ESSEN | German iron and steel center |
