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  2. Ogallala Aquifer - Wikipedia

    en.wikipedia.org/wiki/Ogallala_Aquifer

    The Ogallala Aquifer (oh-gə-LAH-lə) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States. As one of the world's largest aquifers, it underlies an area of approximately 174,000 sq mi (450,000 km 2) in portions of eight states (South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico, and Texas). [1]

  3. List of dams and reservoirs in Texas - Wikipedia

    en.wikipedia.org/wiki/List_of_dams_and...

    Following is a list of dams and reservoirs in Texas. All major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3 ), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3 ).

  4. Center-pivot irrigation - Wikipedia

    en.wikipedia.org/wiki/Center-pivot_irrigation

    A satellite image of circular fields characteristic of center pivot irrigation, Kansas Farmland with circular pivot irrigation. Center-pivot irrigation (sometimes called central pivot irrigation), also called water-wheel and circle irrigation, is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers.

  5. Agriculture in the Southwestern United States - Wikipedia

    en.wikipedia.org/wiki/Agriculture_in_the...

    The Southwest employs the heaviest irrigation of any region, since the region is hot and dry, and the soil is generally not as conducive to plant growth as other areas of the country. Despite this, the Southwestern United States suffers from water shortages and droughts despite the already employed irrigation systems.

  6. List of rivers of Texas - Wikipedia

    en.wikipedia.org/wiki/List_of_rivers_of_Texas

    The list of rivers of Texas is a list of all named waterways, including rivers and streams that partially pass through or are entirely located within the U.S. state of Texas. Across the state, there are 3,700 named streams and 15 major rivers accounting for over 191,000 mi (307,000 km) of waterways.

  7. Black Kettle National Grassland - Wikipedia

    en.wikipedia.org/wiki/Black_Kettle_National...

    There are three developed recreation areas in Oklahoma and one in Texas. Dead Warrior Lake (formerly Dead Indian Lake) is 80 acres (32 ha) in size and is 11 miles (18 km) north of Cheyenne. Spring Creek Lake is 14 miles (23 km) north of Cheyenne and is 50 acres (20 ha) in size. Sixty-acre (24 ha) Skipout Lake is 10 miles (16 km) west of ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Optima Lake - Wikipedia

    en.wikipedia.org/wiki/Optima_Lake

    Optima Lake was built to be a reservoir in Texas County, Oklahoma.The site is just north of Hardesty and east of Guymon in the Oklahoma Panhandle. [2]The earthen Optima Lake Dam (National ID # OK20510) was completed in 1978 (47 years ago) () by the United States Army Corps of Engineers, with a height of 120 feet (37 m), and a length at its crest of 16,875 feet (5,144 m). [3]