>>212343771
There are more things to it like:
Building water infrastructure
Urban planning
Remote sensing (using satellite multi spectral images to detect land formations, my favorite)
Road building
Traffic management
Environmental Assessment Research
Land measuring
Drawing maps
Defining property lines
Etc
No person has enough patience to listen to that but even then this is a rare job in my country. Whenever I tell anyone they always seem confused. They don't seem to have ever heard of this job before.