Answer :
aquifer.
Beside the aquifer, where the water deepens through layers of rock,
Rocks batter-like stone, charcoal, clay or sandstone, which concentrates on only a few channels allowing water to flow through them.
Beside the aquifer, where the water deepens through layers of rock,
Rocks batter-like stone, charcoal, clay or sandstone, which concentrates on only a few channels allowing water to flow through them.