| Name | Size | Date | |
| README.TXT | 919 | 12/13/1989 | |
| OLDPMAS.DOC | 358 | 1/21/1990 | |
| GRPM12.SDR | 1600 | 10/15/1989 | |
| GRPM12.SHP | 57728 | 10/15/1989 | |
| GRPM13.SDR | 1600 | 11/12/1989 | |
| GRPM13.SHP | 57728 | 11/12/1989 | |
| GRPM14.SDR | 1600 | 12/10/1989 | |
| GRPM14.SHP | 57700 | 12/10/1989 | |
| GRPM15.SDR | 1600 | 12/10/1989 | |
| GRPM15.SHP | 57700 | 12/10/1989 |