When water cycles back to Earth, some of it is lost as surface runoff. However, a large portion of the water that reaches Earth's surface seeps into the ground. This water is called _?_

Pressure from within an aquifer can naturally force water up and out of the ground. This is called a flowing ? well.

The process of the hydrologic cycle by which water percolates through permeable soil and rock is called ? .

The length of time water spends in the groundwater of the hydrologic cycle from 5 days to 10,000 years is called ? time.

The single most important source of water for the High Plains region is the ? .

Soil texture is an important characteristic that influences infiltration rates. The texture of the soil is determined by the percentages of what three main soil particles?

What are the spaces called through which water moves through soil?

The process by which groundwater is replenished and can occur naturally through infiltration is called - groundwater ? .

What is the process by where water is removed from an aquifer by humans drilling and pumping?

Groundwater is stored in permeable layers of rock called aquifers. If a well is drilled - what is the correct order of the different layers that it would move through?

What is the projected limit of the Ogallala Aquifer at the present rates of use?

Which state above the Ogallala Aquifer has the most abundant supply of groundwater?

What is most of the water in the Ogallala Aquifer mainly used for?

One of the world's largest aquifers, the Ogallala Aquifer, an area of approximately 174,000 sq. miles, is found under how many states?

Which state regards groundwater in the aquifer a public resource and does not require a permit for wells that withdraw less than 25,000 gallons per day or for use with domestic/livestock use?