| No Data |
| All areas are prime farmland |
| Farmland of statewide importance |
| Farmland of unique importance |
| Not prime farmland |
| Prime farmland if drained |
| Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season |
| Prime farmland if irrigated |
| Prime farmland if irrigated and drained |
| Prime farmland if irrigated and either protected from flooding or not frequently flooded during the growing season |
| Prime farmland if protected from flooding or not frequently flooded during the growing season |