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South Dakota is the 17th-largest state in the country. South Dakota has a humid continental climate in the east and the Black Hills, and a semi-arid climate in the west outside of the Black Hills, featuring four very distinct seasons, and the ecology of the state features plant and animal species typical of a North American temperate grassland ...
The Sioux Falls Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of four counties in South Dakota and one county in Minnesota, anchored by the city of Sioux Falls. The metro area is referred to locally as the Sioux Empire.
Aerodrome traffic zones (ATZ) are circular zones around an airport with a radius of 2 nmi or 2.5 nmi depending on runway length, extending from the surface to 2,000 ft (600 m) AAL (above aerodrome level). Aircraft within an ATZ must obey the instructions of the tower controller (if present), or must make radio contact with the Aerodrome Flight ...
One new feature will be a state-wide zone for projects that extend over more than one zone. [2] The NGS expects to release the new spatial reference system and new zones in 2025. [ 3 ] As with earlier systems, the name of the new system, State Plane Coordinate System of 2022, indicates a year earlier than the actual year of release.
Following the terrorist attacks of September 11, 2001, the airspace around Washington DC underwent a number of changes designed to restrict flying around the city. In 2003, a temporary flight rules area was created and was named the Washington DC Air Defense Identification Zone.
Each of the 60 zones uses a transverse Mercator projection that can map a region of large north-south extent with low distortion. By using narrow zones of 6° of longitude (up to 668 km) in width, and reducing the scale factor along the central meridian to 0.9996 (a reduction of 1:2500), the amount of distortion is held below 1 part in 1,000 ...
This map shows the locations of the Superior province, Penokean orogeny, Minnesota River Valley subprovince, Great Lakes tectonic zone (Minnesota's portion) and the present-day location of the Wyoming province. Early Archean rocks generally form elongate, domal or circular bodies that are several kilometers thick.
Zone Usage Measurement (ZUM) is the method by which phone companies in California distinguished "local" service from "long distance" service within the service area to which local phone companies used to be restricted. Usually the local calling area includes a 13-mile (21 km) radius from the point of origination.