| Mahoney, Robert G. | | | WILLIAM G. MATHER | Wheelsman |
| Mahoney, Robert G. | | | WILLIAM G. MATHER | Wheelsman |
| Mahoney, Robert G. | | | WILLIAM G. MATHER | Wheelsman |
| Mahoney, Robert G.; Cliffs 1967 Seniority List; 1967 | Cliffs 1967 Seniority List | 1967-00-00 | WILLIAM G. MATHER | Wheelsman |
| Mahoney, Robert G.; Cliffs 1975 Seniority list; 1975 | Cliffs 1975 Seniority list | 1975-00-00 | WALTER A. STERLING | Wheelsman |
| Mahoney, Robert G.; Cliffs News Dec 1977 | Cliffs News Dec 1977 | 1977-00-00 | | |
| Mahoney, Robert G.; Cliffs News Dec 1977 | Cliffs News Dec 1977 | 1977-00-00 | WALTER A. STERLING | Wheelsman |
| Mahoney, Robert G.; Cliffs Seniority list 6/15/81; 1981 | Cliffs Seniority list 6/15/81 | 1981-00-00 | WALTER A. STERLING | Wheelsman |
| Mahoney, Robert G.; Cliffs Seniority list 6/26/80; 1980 | Cliffs Seniority list 6/26/80 | 1980-00-00 | WALTER A. STERLING | Wheelsman |
| Mahoney, Robert G.; Cliffs Seniority list October 1977 | Cliffs Seniority list October 1977 | 1977-00-00 | THOMAS F. PATTON | Wheelsman |
| Mahoney, Robert G.; Cliffs Seniority List, 7/80; 1980 | Cliffs Seniority List, 7/80 | 1980-00-00 | | |
| Mahoney, Robert G.; LCA crew list (J. Scott) | LCA crew list (J. Scott) | | CHAMPLAIN | Watchman |
| Mahoney, Robert G.; LCA Crew List Dec 1976 | LCA Crew List Dec 1976 | 1976-00-00 | WILLIAM G. MATHER | Wheelsman |
| Mahoney, Robert G.; LCA Crew List, 5/26/69; 1969 | LCA Crew List, 5/26/69 | 1969-00-00 | WILLIAM G. MATHER | Wheelsman |