lines of longitude
31Cimarron Meridian — The Cimarron Meridian, in longitude 103° west from Greenwich, extends from latitude 36° 30 to 37° north, and, with the base line in latitude 36° 30 north, governs the surveys in Oklahoma west of 100° west longitude from Greenwich. Source Raymond …
32Prime Meridian — 0° Prime Meridian …
33Great circle — For fictional interstellar organization called Great Circle, see Andromeda (novel). A great circle divides the sphere in two equal hemispheres A great circle, also known as a Riemannian circle, of a sphere is the intersection of the sphere and a… …
34Möbius transformation — Not to be confused with Möbius transform or Möbius function. In geometry, a Möbius transformation of the plane is a rational function of the form of one complex variable z; here the coefficients a, b, c, d are complex numbers satisfying ad − …
35Borden System — The Borden System is an archaeological numbering system used throughout Canada and by the Canadian Museum System to track archaeological sites and the artefacts that come from them.It was created by Charles E. Borden with the help of Wilson Duff… …
36Nautical time — The establishment of nautical standard times, nautical standard time zones and the nautical date line were recommended by the Anglo French Conference on Time keeping at Sea in 1917. The Conference recommended that the standard apply to all ships …
37Botswana — /bot swah neuh/, n. a republic in S Africa: formerly a British protectorate; gained independence 1966; member of the Commonwealth of Nations. 1,500,765; 275,000 sq. mi. (712,250 sq. km). Cap.: Gaborone. Formerly, Bechuanaland. * * * Botswana… …
38Terminator (solar) — A terminator, twilight zone or grey line is a moving line that separates the illuminated day side and the dark night side of a planetary body. A terminator is defined as the locus of points on a moon or planet where the line through a sun is… …
39Choctaw Meridian — The Choctaw Meridian begins on the Choctaw Baseline, latitude 31° 54 40 north, longitude 90° 14 45 west from Greenwich, runs north to the south boundary of the Chickasaw Cession, in latitude 34° 19 40 north, and governs the surveys east and west… …
40Chickasaw Meridian — The Chickasaw Meridian begins on the north boundary of Mississippi in latitude 34° 59 north, longitude 89° 15 west from Greenwich, extends south to latitude 33° 48 45 north, and governs the surveys in north Mississippi. Source Raymond, William… …
