| Name | Size | Date | |
| GRCG06.SHP | 57700 | 6/3/1989 | |
| GRCG01.SDR | 1600 | 6/3/1989 | |
| GRCG01.SHP | 57700 | 6/3/1989 | |
| GRCG02.SDR | 1600 | 6/3/1989 | |
| GRCG02.SHP | 57700 | 6/3/1989 | |
| GRCG03.SDR | 1600 | 6/3/1989 | |
| GRCG03.SHP | 57700 | 6/3/1989 | |
| GRCG04.SDR | 1600 | 6/3/1989 | |
| GRCG04.SHP | 57700 | 6/3/1989 | |
| GRCG05.SDR | 1600 | 6/3/1989 | |
| GRCG05.SHP | 57700 | 6/3/1989 | |
| GRCG06.SDR | 1600 | 6/3/1989 |