THE BEST SIDE OF CONTOUR SURVEY IN BANGLADESH

It varies from 20 m to 100 m. Closer intervals are needed if ground degree may differ abruptly. The cross- sectional line need not be constantly be at correct angles to the leading line. This technique is Preferably suited for highway and railway jobs. Radial Line TechniquePlot Boundary Digital Land Surveys set up the exact boundary of the plot, re