Surveying
For mapping any country

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

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Surveying
The prismatic compass and surveyor’s compass

both give WCB of a line
give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively
both give QB of a line
both give QB of a line and WCB of a line

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