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
Ronquières inclined plane , taking about 22 minutes. It takes 50 minutes in total to pass through the of the entire structure, including the raised canal bridge at the top end. Ronquières inclined plane The Ronquières Inclined Plane is a Belgian canal inclined plane on the Brussels-Charleroi Canal in the province of Hainaut in Wallonia that opened in April 1968 after a six-year construction period. It is located in the municipality of Braine-le-Comte, and takes its name from the nearby village of Ronquières. The purpose of the construction was to reduce the delays imposed by the 14 locks (already reduced from 16 in