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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]
Federally recognized reservations. There are approximately 326 federally recognized Indian Reservations in the United States. [1] Most of the tribal land base in the United States was set aside by the federal government as Native American Reservations. In California, about half of its reservations are called rancherías.
Most water in Earth's atmosphere and crust comes from saline seawater, while fresh water accounts for nearly 1% of the total. The vast bulk of the water on Earth is saline or salt water, with an average salinity of 35‰ (or 3.5%, roughly equivalent to 34 grams of salts in 1 kg of seawater), though this varies slightly according to the amount of runoff received from surrounding land.
Hundreds of Ancestral Puebloan dwellings are found across the American Southwest. With almost all constructed well before 1492 CE, these Puebloan towns and villages are located throughout the geography of the Southwest . Many of these dwellings included various defensive positions, like the high steep mesas such as at the ancient Mesa Verde ...
Water storage. Water storage is a broad term referring to storage of both potable water for consumption, and non potable water for use in agriculture. In both developing countries and some developed countries found in tropical climates, there is a need to store potable drinking water during the dry season. In agriculture water storage, water is ...
The Indigenous peoples of the North American Southwest are those in the current states of Colorado, Arizona, New Mexico, Utah, and Nevada in the western United States, and the states of Sonora and Chihuahua in northern Mexico. An often quoted statement from Erik Reed (1666) defined the Greater Southwest culture area as extending north to south ...
July 11, 2024 at 8:59 PM. Frustrations are mounting across southeast Texas as residents enter a fourth day of crippling power outages and heat, a combination that has proven dangerous – and at ...
Native American tribes in Texas are the Native American tribes who are currently based in Texas and the Indigenous peoples of the Americas who historically lived in Texas. Many individual Native Americans, whose tribes are headquartered in other states, reside in Texas. The Texas Historical Commission by law consulted with the three federally ...