10 Flashcards
(108 cards)
4 times
method
the angies sha be measur using triangulation by repetition
Horizontal control
Generally
in topographic survey
Blue
In topographic map where there is water in a depression
the
contour line is shaded
Hub
A transit station
or point over which the transit is set
tract in the top marking
the point is
Subtracted
In stellar observation the refraction correction is always to be
5
In isolated survey plan
the horizontal and vertical center
lines coordinates shall be divisible by
Stereo comparator
It is a stereoscopic instrument for measuring parallax
Outerop
The portion of the vein exposed at the surface of the ground
in mine surveying
Sea coast
It is a shore or border of land adjacent to the sea or ocean
Secondary control
The quality of control to be used for land survey project with