State Plane Coordinate System State Plane Coordinate System The State Plane Coordinate System (SPS or SPCS) is a set of 124 geographic zones or coordinate systems designed for specific regions of the United States. Each state contains one or more state plane zones, the boundaries of which usually follow county lines. There are 110 zones in the contiguous US, with 10 more in Alaska, 5 in Hawaii, and one for Puerto Rico and US Virgin Islands. The system is widely used for geographic data by state and local governments. Its popularity is due to at least two factors. First, it uses a simple Cartesian
Leaving on a Jet Plane Guard". In the 1980s the song prompted litigation involving the British group New Order. The band's single "Run 2" (1989) was the subject of a lawsuit brought by Denver, who argued that its wordless guitar break was based on his "Leaving on a Jet Plane". An out-of-court settlement ensured that the song would never be re-released in its original form. Leaving on a Jet Plane "Leaving on a Jet Plane" is a song written by John Denver in 1966 and most famously recorded by Peter, Paul and Mary. The original title of the song was "Babe, I Hate to Go",