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Aquifers
Aquifers Notes
| Question | Answer |
|---|---|
| Ogallala Aquifer | The massive underground reservoir lying beneath the American Great Plains, named for a Nebraska town. |
| Center Pivot | The diesel-powered irrigation method largely responsible for the depletion of the Ogallala Aquifer. |
| Llano Estacado | The "Staked Plain" mesa in Texas and New Mexico whose sandstone composition recharges the Ogallala. |
| Optima Lake Dam | An Oklahoma dam rendered useless when the lowering of the Ogallala Aquifer desiccated the Beaver River. |
| Great Artesian Basin | The giant aquifer in Australia located mostly under Queensland and the Simpson Desert. |
| Underground River | A waterway naturally occurring in karst topography, often created by flow into sinkholes. |
| Sand Hills | The northern recharge zone of the Ogallala Aquifer in Nebraska, a focal point of Keystone XL pipeline protests. |
| Karst Topography | A landscape formed from the dissolution of soluble rocks, often containing aquifers and underground rivers. |
| Recharge Zone | The area where water enters an aquifer, such as the sandstone layer of the Llano Estacado. |
| Guarani Aquifer | One of the world's largest aquifers, located in South America and named for a major indigenous group. |
| Edwards Aquifer | A major Texas aquifer lying along the Balcones Fault Zone, named for Haden Edwards. |
| Olympic Dam Mine | A massive copper-uranium mine in Australia that is the principal user of Great Artesian Basin water. |
| Great Manmade River | A massive Libyan engineering project created by Muammar Gaddafi to transport aquifer water to cities. |
| Puerto Princesa Park | A Philippine park famous for its underground river that flows directly into the sea. |
| Witjira National Park | An Australian park containing mound springs associated with the Great Artesian Basin. |