| Eckley, Robert G.; ASC Soundings 11(1)1991 | ASC Soundings 11(1)1991 | 1991-00-00 | AMERICAN MARINER | Bos'n |
| Eckley, Robert G.; ASC Soundings 12(1) 1992 | ASC Soundings 12(1) 1992 | 1992-00-00 | AMERICAN MARINER | Bos'n |
| Eckley, Robert G.; ASC Soundings 9(2)1989 | ASC Soundings 9(2)1989 | 1989-00-00 | AMERICAN MARINER | Bos'n |
| Eckley, Robert G.; ASC Soundings March 1984 | ASC Soundings March 1984 | 1984-00-00 | | |
| Eckley, Robert G.; ASC Soundings March 1984 | ASC Soundings March 1984 | 1984-00-00 | AMERICAN MARINER | Bos'n |
| Eckley, Robert G.; ASC Soundinngs Apr 1990 | ASC Soundinngs Apr 1990 | 1990-00-00 | AMERICAN MARINER | Bos'n |
| Eckley, Robert G.; Soundings Dec 1994 | Soundings Dec 1994 | 1994-00-00 | | Bosn |
| Eckley, Robert G.; Soundings July 1993 | Soundings July 1993 | 1993-00-00 | AMERICAN MARINER | Bosn |
| Eckley, Robert G.; Soundings May 1988 | Soundings May 1988 | 1988-00-00 | AMERICAN MARINER | Bos'n |