| Butterworth, David E.; Cliffs 1975 Seniority list; 1975 | Cliffs 1975 Seniority list | 1975-00-00 | RAYMOND H. REISS | Wheelsman |
| Butterworth, David E.; Cliffs News Aug 1976 | Cliffs News Aug 1976 | 1976-00-00 | RAYMOND H. REISS | |
| Butterworth, David E.; Cliffs News Nov 1974 | Cliffs News Nov 1974 | 1974-00-00 | THOMAS F. PATTON | Watchman |
| Butterworth, David E.; Cliffs News Oct 1975 | Cliffs News Oct 1975 | 1975-00-00 | WALTER A. STERLING | Watchman |
| Butterworth, David E.; Cliffs Officers Assignments 3/27/79; 1979 | Cliffs Officers Assignments 3/27/79 | 1979-00-00 | CHAMPLAIN | Third Mate |
| Butterworth, David E.; Cliffs Seniority list 6/15/81; 1981 | Cliffs Seniority list 6/15/81 | 1981-00-00 | CLIFFS VICTORY | deckhand |
| Butterworth, David E.; Cliffs Seniority list 6/26/80; 1980 | Cliffs Seniority list 6/26/80 | 1980-00-00 | | |
| Butterworth, David E.; Cliffs Seniority list 6/26/80; 1980 | Cliffs Seniority list 6/26/80 | 1980-00-00 | RAYMOND H. REISS | Wheelsman |
| Butterworth, David E.; Cliffs Seniority list October 1977 | Cliffs Seniority list October 1977 | 1977-00-00 | RAYMOND H. REISS | Watchman |