A magnetic survey can map out changes in the amount of magnetic minerals as well as associated rock types. Thus, a magnetic map can help locate mineral deposits by identifying specific rock types and geological features.
A topographic survey locates all surface features of a property, and depicts all natural features and elevations. In essence it's a 3D map of a 3D property showing all natural and man-made features and improvements. Specifically, their location, size, height and any changes in elevation.
RGB Mapping (Landscape Height Maps, Enhanced Visibility Land Features, Accurate measurements i.e; Volume and Area).
