The vertical distance above or below the datum is called ............

The trapezoidal rule of volumes V of an embankment divided into a number of sections equidistant D, is given by ........…

A staff reading taken on a bench mark or a point known elevation is called ............

Plotting of inaccessible points on a plane table, is done by ............

Ranging is the process of ............

A lemniscate curve between the tangents is transitional throughout, if the polar deflection angle of its apex is equal t…

In a whole circle bearing system N25°15'W corresponds to ............

A fixed point of reference of known elevation is called ............

The staff intercept will be ............