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The Center for Earth Resources Observation and Science (EROS) is a United States Geological Survey data management, systems development, and research field center It serves as the national archive of remotely sensed images of the Earth's land surface acquired by civilian satellites and aircraft.
Nebraska – Thirty eastern counties from the Missouri River to about the 98 latitude or about 100 miles (160 km) of the state. [ 3 ] South Dakota – An L-shaped section along the Sioux River from north of Sioux Falls down to its junction with the Missouri River and then west up the Missouri for about 100 miles (160 km).
The Upper Midwest is a northern subregion of the U.S. Census Bureau's Midwestern United States.Although the exact boundaries are not uniformly agreed upon, the region is usually defined to include the states of Iowa, Michigan, Minnesota and Wisconsin; some definitions include North Dakota, South Dakota, and parts of Nebraska and Illinois.
The High Plains ecology region is designated by 25 on this map. Childress County, Texas, June 1938.. The High Plains are a subregion of the Great Plains, mainly in the Western United States, but also partly in the Midwest states of Nebraska, Kansas, and South Dakota, generally encompassing the western part of the Great Plains before the region reaches the Rocky Mountains.
The former Sioux Ordnance Depot in Cheyenne County was the site of 70% of federal oil production from the Derrick, Table and Ehmke fields. [6] Of the 2,817 active oil and gas wells in the state on January 1, 2016, the Nebraska Oil and Gas Conservation Commission found that only two used hydraulic fracturing .
The falls of the Big Sioux River in Falls Park, Sioux Falls, frozen over in winter. South Dakota has a continental climate, semi-arid in the west outside of the Black Hills, with four distinct seasons, ranging from very cold winters to hot summers. During the summers, the average high temperature throughout the state is often close to 90 °F or ...
The plant and animal life in the Pine Ridge is atypical for Nebraska; the ecology is very similar to the Black Hills, 50 miles (80 km) to the north.The dominant tree in the Pine Ridge is the ponderosa pine; deciduous trees (such as cottonwoods) are also present in canyon bottoms.
Oglala National Grassland is home to some of the most striking badlands formations in Toadstool Geologic Park, [4] near Crawford, Nebraska and Whitney, Nebraska.. The Hudson-Meng Bison Kill, also located on the grassland, is an archaeological excavation in progress.