| Code |
Descrptn |
| A |
Digitized - scale 1:24,000 or larger (Digitizing Table) (+ 83 feet or better) |
| A** |
Digitized - scale 1:24,000 or larger - Irregular section (Digitizing Table) |
| B |
Digitized - scale 1:100,000 to 1:24,000 (+ 83 to 296 feet) |
| DS1 |
Digitization (Screen) - Map (1:24,000) (15 meters or better) |
| DS2 |
Digitization (Screen) - Map (1:12,000) (>15 meters) |
| G |
GPS; accuracy <1 meter (<3.28 feet) |
| G3 |
GPS Differentially Corrected (25 meters) |
| G6A |
GPS SA On (averaged) (100 meters) |
| G6O |
GPS SA Off (averaged) (15 meters) |
| I |
GPS; accuracy 3 to 12 meters (+ 10 to 40 feet) |
| PQ6 |
Public Land Survey - QQQQQQ Section (+ 90 or better) |
| S |
Surveyed |
| SPL |
Derived from State Plane coordinates (variable-capture method unknown) |
| UNK |
Unknown method |