| Name | Format | # Files | Size | Date |
|---|---|---|---|---|
| CONUS.ZIP | PKZip Archive | 5 | 27KB | 1991-05-30 |
| TILES16.ZIP | PKZip Archive | 12 | 63KB | 1991-05-30 |
| TILES17.ZIP | PKZip Archive | 11 | 54KB | 1991-05-30 |
| TILES18.ZIP | PKZip Archive | 15 | 56KB | 1991-05-30 |
| TILES19.ZIP | PKZip Archive | 12 | 55KB | 1991-05-30 |