| Johnston, Myron T.; ASC Soundings 11(1)1991 | ASC Soundings 11(1)1991 | 1991-00-00 | ADAM E. CORNELIUS | Conveyorman |
| Johnston, Myron T.; ASC Soundings 12(1) 1992 | ASC Soundings 12(1) 1992 | 1992-00-00 | ADAM E. CORNELIUS | Conveyorman |
| Johnston, Myron T.; ASC Soundings 12(4) 1992 | ASC Soundings 12(4) 1992 | 1992-00-00 | | gateman |
| Johnston, Myron T.; ASC Soundings 12(4) 1992 | ASC Soundings 12(4) 1992 | 1992-00-00 | ADAM E. CORNELIUS | Conveyorman |
| Johnston, Myron T.; ASC Soundings 9(2)1989 | ASC Soundings 9(2)1989 | 1989-00-00 | ROGER M. KYES | gateman |
| Johnston, Myron T.; ASC Soundings December 1984 | ASC Soundings December 1984 | 1984-00-00 | | |
| Johnston, Myron T.; ASC Soundings December 1984 | ASC Soundings December 1984 | 1984-00-00 | | gateman |
| Johnston, Myron T.; ASC Soundings June 1986 | ASC Soundings June 1986 | 1986-00-00 | J. L. REISS | tunnelman |
| Johnston, Myron T.; ASC Soundings June 1986 | ASC Soundings June 1986 | 1986-00-00 | ROGER M. KYES | gateman |
| Johnston, Myron T.; Soundings July 1993 | Soundings July 1993 | 1993-00-00 | AMERICAN MARINER | Conveyorman |
| Johnston, Myron T.; Soundings June-July 1994 | Soundings June-July 1994 | 1994-00-00 | AMERICAN REPUBLIC | Conveyorman |
| Johnston, Myron T.; Soundings May 1988 | Soundings May 1988 | 1988-00-00 | ROGER M. KYES | gateman |