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The State Plane Coordinate System (SPCS) is a set of 125 geographic zones or coordinate systems designed for specific regions of the United States. Each U.S. state contains one or more state plane zones, the boundaries of which usually follow county lines. There are 108 zones in the contiguous United States, with 10 more in Alaska, five in ...
The United States National Grid (USNG) is a multi-purpose location system of grid references used in the United States. It provides a nationally consistent "language of location", optimized for local applications, in a compact, user friendly format. It is similar in design to the national grid reference systems used in other countries.
A Lambert conformal conic projection (LCC) is a conic map projection used for aeronautical charts, portions of the State Plane Coordinate System, and many national and regional mapping systems. It is one of seven projections introduced by Johann Heinrich Lambert in his 1772 publication Anmerkungen und Zusätze zur Entwerfung der Land- und ...
The geographic center of the United States is northeast of Belle Fourche in Butte County, South Dakota 1] while that of the contiguous 48 states is near Lebanon in Smith County, Kansas The geographic center of North America lies near Rugby, North Dakota ( 48°10′N 100°10′W / 48.167°N 100.167°W / 48.167; -100.167 ), though ...
State 3 Coordinates Notes Alabama: Florida: Georgia: Marker on Chattahoochee riverbank is actually a few feet above and west of true tripoint at high-water line. [2] Alabama: Georgia: Tennessee: Tri-State Corner. Marker on dry land at surface level and unmarked on lake in cavern directly below.
Region 2: Midwest (designated as the North Central Region before June 1984) [8] Division 3: East North Central (Illinois, Indiana, Michigan, Ohio, and Wisconsin) Division 4: West North Central (Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, and South Dakota) Region 3: South.
Florida panhandle. The Florida panhandle (also known as West Florida and Northwest Florida) is the northwestern part of the U.S. state of Florida. It is a salient roughly 200 miles (320 km) long, bordered by Alabama on the north and the west, Georgia on the north, and the Gulf of Mexico to the south. Its eastern boundary is arbitrarily defined.
In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane. [1][2][3] In a map projection, coordinates, often expressed as latitude and longitude, of locations from the surface of the globe are transformed to coordinates on a plane. [4][5] Projection ...