Geological Crossword

A feature where water is held underground and supplies wells, springs etc.
An area under the ground that resticts the flow of groundwater from 1 aquifer to another
When water is pumped up towards the surface through a well or something similar, a strange shape is formed. What ia that shape called?
A hole drilled into the ground normally used to find and draw up water (sometimes oil)
This is a well in the ground in which a pump isn't needed. The substance being drawn up is under so much pressure that it shoots up to the surface anyway. What is this called?
This is when water percolators into the aquifer to refill it.
This is the area above the water table, but still underground.
This is the bondary between the zone of aeration and the water filled rock/soil.
A rocks abiliby to hold water in holes
A rocks ability to let water travel through it.
A water table somewhere in the zone of aeration with impermeable rock below it stopping it perculating down any further
A water bearing area of rock overlain by an impermeable rock
The overall amount of water running through a river
A "U" shaped dip in the rock