| Symbol | Meaning | Size | Characteristic | Examples |
| A | Country code | 3 | Number | 022=Florida |
| B | Region code | 2 | Number | 02=United States |
| Seq | Sub-Country | 2 | Number | 03=third part of Florida |
| NAM413 | Eight character name | 8 | Left justified | FLORIDA |
| AGE | Geologic Age | 4 | Left justified | CENO,MESO, PALE, PROT, ARCH |
| TPI | Time Petrographic Index | 3 | Left justified | 101to 513 |
| PTS | Number of Points | 4 | Number | |
| NUMBER | Symbol Number | 6 | Number | |
| SYMBOL | Symbol | 15 | Left justified | |
| N | Color of Map Legend | 12 | Left justified | |
| U | Uncertain | 1 | Left justified | 1=more than one rock type |
| PC | Percentage | 3 | Number | |
| STRAT | Stratigraphic unit | 12 | Left justified | |
| LITH | Lithology | 30 | Left justified |
| Symbol | Meaning | Size | Characteristic | Examples |
| A | Country code | 3 | Number | 022-Florida |
| B | Region code | 2 | Number | 02-United States |
| SEQ | Sub-Country | 2 | Number | 03-third part of Florida |
| ROW | Row number | 3 | Number | |
| COL | Column number | 3 | Number | |
| PTS | Number of Points | 4 | Number | |
| TPI | Time Petrographic Index | 3 | Left justified | 101 to 513 |
| NUMBER | Symbol Number | 6 | Number |