#conic_projection__conicprojection__conical_projection__conicalprojection  a map projection of the globe onto a cone with its point over one of the earth's poles
  supertype:  #map_projection__mapprojection  a projection of the globe onto a flat map using a grid of lines of latitude and longitude
  subtype:  #polyconic_projection__polyconicprojection  a conic projection of a map having distances between meridians equal to those distance on a globe

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