Surveying
Places having same latitude

Are equidistant from both the poles
Are equidistant from the nearer pole
Lie on the parallel of the latitude
All listed here

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Surveying
For mapping any country

Geodetic triangulation of greatest possible sides and accuracy is carried out
Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys
All listed here
Primary triangles are broken down into secondary triangles of somewhat lesser accuracy

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