Surveying
The latitude of the observer's position, is

Angular distance along the observer's meridian between equator and the observer
Elevation of the elevated pole
All listed here
Declination of the observer's zenith

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Surveying
The prismatic compass and surveyor’s compass

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

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Surveying
In triangulation surveys

Control stations are located from which detailed surveys are carried out
All listed here
The area is divided into triangular figures
Sides are not measured excepting the base line

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