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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.
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.
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).
Antelope County, Nebraska, United States: Nearest town: Royal, Nebraska: Coordinates: 1] Area: 360 acres (150 ha) [2] Elevation: 1,722 ft (525 m) [1] Designation: Nebraska state historical park: Established: 1986: Operator: University of Nebraska–Lincoln [2] Website: Ashfall Fossil Beds
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 .
It is 94,520 acres (38,250 ha) in size and is one of the small handful of National Grasslands administered by the US Department of Agriculture's Forest Service. [2] It is managed by the U.S. Forest Service together with the Nebraska and Samuel R. McKelvie National Forests and the Buffalo Gap and Fort Pierre National Grasslands from common ...
Sioux Quartzite at Falls Park, Sioux Falls, South Dakota Cross-bedding in the Sioux Quartzite, Blue Mounds State Park, Minnesota, United States.. The Sioux Quartzite is a Proterozoic quartzite that is found in the region around the intersection of Minnesota, South Dakota, and Iowa, and correlates with other rock units throughout the upper midwestern and southwestern United States.
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.