3d Ground Monitoring Info

This query is slightly ambiguous as can refer to a few different technical fields.

The use of satellite radar or LiDAR to monitor ground subsidence , landslide risks, or structural stability in construction and mining.

Could you clarify which of these you are looking for a guide on?

Specifically the 3D Ground Monitoring app used with Conrad brand imaging devices for treasure hunting and locating metallic objects or structures underground.