Search results
Results from the WOW.Com Content Network
Etzanoa is a historical city of the Wichita people, located in present-day Arkansas City, Kansas, near the Arkansas River, that flourished between 1450 and 1700. [1] Dubbed "the Great Settlement" by Spanish explorers who visited the site, Etzanoa may have housed 20,000 Wichita people. [2] The historical city is considered part of Quivira. [3]
Rhenium has one stable isotope, rhenium-185, which nevertheless occurs in minority abundance, a situation found only in two other elements (indium and tellurium). Naturally occurring rhenium is only 37.4% 185 Re, and 62.6% 187 Re, which is unstable but has a very long half-life (~10 10 years).
Now located within Buffalo National River, the district includes ruins dating from 1880 to 1940. The area was an important part of what became known as the North Arkansas Lead and Zinc District , and played a role in the development of railroads and modern infrastructure in the area.
The National Historic Landmarks in Arkansas represent Arkansas's history from the Louisiana Purchase through the Civil War and the Civil Rights Movement. It contains the landmarks designated by the U.S. Federal Government for the U.S. state of Arkansas. There are 17 National Historic Landmarks (NHLs) in Arkansas.
The Arkansas River Valley, also known as the Arkansas Valley, is a region in Arkansas defined by the Arkansas River in the western part of the state. Generally defined as the area between the Ozark and Ouachita Mountains, [1] the River Valley is characterized by flat lowlands covered in fertile farmland and lakes periodically interrupted by high peaks.
In Arkansas, the aluminum hydroxides in bauxite form small oolites and pea-sized pisolites and outcrop or are located very close to the surface under thin sediments. The resource was first mined in 1898, 11 years after the State Geologist, John Branner, identified it in a sample from Pulaski County, Arkansas .
Smithsonite with calcite from the Monte Cristo mine, Rush Creek District, Marion County, Arkansas (size: 11.7 x 9.3 x 5.2 cm Ruins of the New White Eagle Mill, Rush Historic District, Buffalo National River, Arkansas. The best known and most prolific zinc mining region of north Arkansas for many years was the Rush Creek mining district of ...
List of rivers in Arkansas . For a list of dams and reservoirs in Arkansas, see List of Arkansas dams and reservoirs Rivers are listed by drainage basin, by size, and alphabetically. By drainage basin