| Kontny, Robert J.; Cliffs Seniority List 5/28/75; 1975 | Cliffs Seniority List 5/28/75 | 1975-00-00 | TOM M. GIRDLER | SpMM |
| Kontny, Robert J.; Cliffs Seniority list 6/15/81; 1981 | Cliffs Seniority list 6/15/81 | 1981-00-00 | EDWARD B. GREENE | SpMM |
| Kontny, Robert J.; Cliffs Seniority list 6/26/80; 1980 | Cliffs Seniority list 6/26/80 | 1980-00-00 | | |
| Kontny, Robert J.; Cliffs Seniority list 6/26/80; 1980 | Cliffs Seniority list 6/26/80 | 1980-00-00 | | |
| Kontny, Robert J.; Cliffs Seniority list 6/26/80; 1980 | Cliffs Seniority list 6/26/80 | 1980-00-00 | WILLIS B. BOYER | SpMM |
| Kontny, Robert J.; Cliffs Seniority list October 1977 | Cliffs Seniority list October 1977 | 1977-00-00 | TOM M. GIRDLER | SpMM |