11 Flashcards
(113 cards)
1:01 PM Sat May 31
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10 centimeters diameter and 50 centimeters in length
The secondary control station shall be defined by concrete
monuments of not less than
Height of instrument
Is the vertical distance from the station occupied to the
horizontal axis of the transit in mine survey
35 stations
Number of stations between azimuth checks in secondary
control traverse by astronomical observation
not to exceed
Rear chainman
In a primary control
horizontal distance measured shall be
read and recorded
A rod reading on a point with known elevation
Back sight in levelling is
Topographic surveys are conducted for
Determining the shape of the surface of the ground and the
location of natural and artificial features on it
South parallel and west meridian
the adjoining Cadastral Map number on the West of a certain