This is basic input for any land surveying, high precision
applications and for refinement of survey measurements.
It constitutes magnetic and gravity measurements, precise measurements of coordina..
It contains the information of various facility centers in Bhutan such as health centers,schools, RNR centers & Gewog Office. The data was generated from 50K topo maps and colllected by feild survey ..
The contour layer contains the elevation information covering entire Bhutan with 20 m contour interval in the south, 100 m in the north and 40 m in other areas.