| Extensive And Highly Productive Aquifer |
| Fairly Extensive And Productive Aquifers |
| Local And Less Productive Aquifers |
| Fairly To Less Extensive And productive Aquifers With Low To Moderate Potential Recharge |
| Fairly Extensive And Productive Aquifers With High Potential Recharge |
| Rocks Without Any Known Insignificant Groundwater Obtainable Through Drilled Wells. Largely Untested |
| Rocks With Limited Potential, Low to Moderate Permeability |
| No Data |