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
The President's Plane Is Missing (novel) of the book was aired on television, starring Peter Graves and Buddy Ebsen. Filming for "The President's Plane Is Missing" had been completed in 1971, but Graves reported that the film did not air until 1973 due to the film's villains being Chinese and President Richard Nixon's then negotiations with China. The President's Plane Is Missing (novel) The President's Plane Is Missing is a 1967 novel by Robert J. Serling. The book was made into a made-for-TV film by the same name, which aired on 23 October 1973 in the United States. The book tells the story of a crash