GROUND WATER ATLAS of the UNITED STATES
Introduction and National Summary
Sandstone and carbonate-rock aquifers
(figures 38-39)
- Figure 38 Cross
section showing the movement of water through the unconfined
and confined parts of the limestone aquifers that underlie the
Pennyroyal Plain and Mammoth Cave Plateau
- Figure 39 Graphs comparing
the recharge rate of wells completed in sandstone and carbonate-rock
aquifers
